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Finding the Fourth Proportional to 60,472.76, 83,423.34 and 39,258.68

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Solution

The fourth proportional to 60,472.76, 83,423.34 and 39,258.68 is: 54,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,472.76 : 83,423.34 = 39,258.68 : x
  2. Step 2: Convert to fraction form
    60,472.76/83,423.34 = 39,258.68/x
  3. Step 3: Cross multiply
    60,472.76x = 83,423.34 × 39,258.68
  4. Step 4: Simplify right side
    60,472.76x = 3,275,090,209.59
  5. Step 5: Solve for x
    x = 3,275,090,209.59/60,472.76
  6. Step 6: Final answer
    x = 54,158.11

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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.