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Finding the Fourth Proportional to 59,729.40, 89,723.70 and 57,526.20

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Solution

The fourth proportional to 59,729.40, 89,723.70 and 57,526.20 is: 86,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,729.40 : 89,723.70 = 57,526.20 : x
  2. Step 2: Convert to fraction form
    59,729.40/89,723.70 = 57,526.20/x
  3. Step 3: Cross multiply
    59,729.40x = 89,723.70 × 57,526.20
  4. Step 4: Simplify right side
    59,729.40x = 5,161,463,510.94
  5. Step 5: Solve for x
    x = 5,161,463,510.94/59,729.40
  6. Step 6: Final answer
    x = 86,414.12

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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.