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Finding the Fourth Proportional to 59,895.40, 89,864.70 and 57,735.40

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Solution

The fourth proportional to 59,895.40, 89,864.70 and 57,735.40 is: 86,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,895.40 : 89,864.70 = 57,735.40 : x
  2. Step 2: Convert to fraction form
    59,895.40/89,864.70 = 57,735.40/x
  3. Step 3: Cross multiply
    59,895.40x = 89,864.70 × 57,735.40
  4. Step 4: Simplify right side
    59,895.40x = 5,188,374,400.38
  5. Step 5: Solve for x
    x = 5,188,374,400.38/59,895.40
  6. Step 6: Final answer
    x = 86,623.92

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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.