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Finding the Fourth Proportional to 59,998.93, 82,787.70 and 38,765.90

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Solution

The fourth proportional to 59,998.93, 82,787.70 and 38,765.90 is: 53,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,998.93 : 82,787.70 = 38,765.90 : x
  2. Step 2: Convert to fraction form
    59,998.93/82,787.70 = 38,765.90/x
  3. Step 3: Cross multiply
    59,998.93x = 82,787.70 × 38,765.90
  4. Step 4: Simplify right side
    59,998.93x = 3,209,339,285.49
  5. Step 5: Solve for x
    x = 3,209,339,285.49/59,998.93
  6. Step 6: Final answer
    x = 53,489.94

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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.