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Finding the Fourth Proportional to 58,777.70, 88,166.55 and 57,902.90

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Solution

The fourth proportional to 58,777.70, 88,166.55 and 57,902.90 is: 86,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.70 : 88,166.55 = 57,902.90 : x
  2. Step 2: Convert to fraction form
    58,777.70/88,166.55 = 57,902.90/x
  3. Step 3: Cross multiply
    58,777.70x = 88,166.55 × 57,902.90
  4. Step 4: Simplify right side
    58,777.70x = 5,105,098,928.00
  5. Step 5: Solve for x
    x = 5,105,098,928.00/58,777.70
  6. Step 6: Final answer
    x = 86,854.35

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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.