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Finding the Fourth Proportional to 60,586.71, 90,849.89 and 38,383.20

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Solution

The fourth proportional to 60,586.71, 90,849.89 and 38,383.20 is: 57,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,586.71 : 90,849.89 = 38,383.20 : x
  2. Step 2: Convert to fraction form
    60,586.71/90,849.89 = 38,383.20/x
  3. Step 3: Cross multiply
    60,586.71x = 90,849.89 × 38,383.20
  4. Step 4: Simplify right side
    60,586.71x = 3,487,109,305.93
  5. Step 5: Solve for x
    x = 3,487,109,305.93/60,586.71
  6. Step 6: Final answer
    x = 57,555.68

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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.