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Finding the Fourth Proportional to 60,474.76, 83,426.10 and 39,260.68

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Solution

The fourth proportional to 60,474.76, 83,426.10 and 39,260.68 is: 54,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,474.76 : 83,426.10 = 39,260.68 : x
  2. Step 2: Convert to fraction form
    60,474.76/83,426.10 = 39,260.68/x
  3. Step 3: Cross multiply
    60,474.76x = 83,426.10 × 39,260.68
  4. Step 4: Simplify right side
    60,474.76x = 3,275,365,415.75
  5. Step 5: Solve for x
    x = 3,275,365,415.75/60,474.76
  6. Step 6: Final answer
    x = 54,160.87

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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.