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Finding the Fourth Proportional to 60,228.72, 83,154.65 and 38,728.13

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Solution

The fourth proportional to 60,228.72, 83,154.65 and 38,728.13 is: 53,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,228.72 : 83,154.65 = 38,728.13 : x
  2. Step 2: Convert to fraction form
    60,228.72/83,154.65 = 38,728.13/x
  3. Step 3: Cross multiply
    60,228.72x = 83,154.65 × 38,728.13
  4. Step 4: Simplify right side
    60,228.72x = 3,220,423,485.89
  5. Step 5: Solve for x
    x = 3,220,423,485.89/60,228.72
  6. Step 6: Final answer
    x = 53,469.90

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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.