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Finding the Fourth Proportional to 59,897.40, 89,867.70 and 57,737.40

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Solution

The fourth proportional to 59,897.40, 89,867.70 and 57,737.40 is: 86,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,897.40 : 89,867.70 = 57,737.40 : x
  2. Step 2: Convert to fraction form
    59,897.40/89,867.70 = 57,737.40/x
  3. Step 3: Cross multiply
    59,897.40x = 89,867.70 × 57,737.40
  4. Step 4: Simplify right side
    59,897.40x = 5,188,727,341.98
  5. Step 5: Solve for x
    x = 5,188,727,341.98/59,897.40
  6. Step 6: Final answer
    x = 86,626.92

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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.