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Finding the Fourth Proportional to 12,033.70, 18,050.55 and 9,117.70

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Solution

The fourth proportional to 12,033.70, 18,050.55 and 9,117.70 is: 13,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.70 : 18,050.55 = 9,117.70 : x
  2. Step 2: Convert to fraction form
    12,033.70/18,050.55 = 9,117.70/x
  3. Step 3: Cross multiply
    12,033.70x = 18,050.55 × 9,117.70
  4. Step 4: Simplify right side
    12,033.70x = 164,579,499.74
  5. Step 5: Solve for x
    x = 164,579,499.74/12,033.70
  6. Step 6: Final answer
    x = 13,676.55

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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.