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Finding the Fourth Proportional to 29,640.46, 40,904.49 and 17,701.56

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Solution

The fourth proportional to 29,640.46, 40,904.49 and 17,701.56 is: 24,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.46 : 40,904.49 = 17,701.56 : x
  2. Step 2: Convert to fraction form
    29,640.46/40,904.49 = 17,701.56/x
  3. Step 3: Cross multiply
    29,640.46x = 40,904.49 × 17,701.56
  4. Step 4: Simplify right side
    29,640.46x = 724,073,284.00
  5. Step 5: Solve for x
    x = 724,073,284.00/29,640.46
  6. Step 6: Final answer
    x = 24,428.54

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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.