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Finding the Fourth Proportional to 8,437.82, 11,644.05 and 4,901.06

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Solution

The fourth proportional to 8,437.82, 11,644.05 and 4,901.06 is: 6,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.82 : 11,644.05 = 4,901.06 : x
  2. Step 2: Convert to fraction form
    8,437.82/11,644.05 = 4,901.06/x
  3. Step 3: Cross multiply
    8,437.82x = 11,644.05 × 4,901.06
  4. Step 4: Simplify right side
    8,437.82x = 57,068,187.69
  5. Step 5: Solve for x
    x = 57,068,187.69/8,437.82
  6. Step 6: Final answer
    x = 6,763.38

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.