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Finding the Fourth Proportional to 29,641.46, 40,905.87 and 17,702.56

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Solution

The fourth proportional to 29,641.46, 40,905.87 and 17,702.56 is: 24,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.46 : 40,905.87 = 17,702.56 : x
  2. Step 2: Convert to fraction form
    29,641.46/40,905.87 = 17,702.56/x
  3. Step 3: Cross multiply
    29,641.46x = 40,905.87 × 17,702.56
  4. Step 4: Simplify right side
    29,641.46x = 724,138,618.03
  5. Step 5: Solve for x
    x = 724,138,618.03/29,641.46
  6. Step 6: Final answer
    x = 24,429.92

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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.