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Finding the Fourth Proportional to 67,340.96, 101,010.77 and 25,787.96

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Solution

The fourth proportional to 67,340.96, 101,010.77 and 25,787.96 is: 38,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,340.96 : 101,010.77 = 25,787.96 : x
  2. Step 2: Convert to fraction form
    67,340.96/101,010.77 = 25,787.96/x
  3. Step 3: Cross multiply
    67,340.96x = 101,010.77 × 25,787.96
  4. Step 4: Simplify right side
    67,340.96x = 2,604,861,062.34
  5. Step 5: Solve for x
    x = 2,604,861,062.34/67,340.96
  6. Step 6: Final answer
    x = 38,681.68

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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.