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Finding the Fourth Proportional to 11,703.60, 17,555.40 and 10,901.70

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Solution

The fourth proportional to 11,703.60, 17,555.40 and 10,901.70 is: 16,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.60 : 17,555.40 = 10,901.70 : x
  2. Step 2: Convert to fraction form
    11,703.60/17,555.40 = 10,901.70/x
  3. Step 3: Cross multiply
    11,703.60x = 17,555.40 × 10,901.70
  4. Step 4: Simplify right side
    11,703.60x = 191,383,704.18
  5. Step 5: Solve for x
    x = 191,383,704.18/11,703.60
  6. Step 6: Final answer
    x = 16,352.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.