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Finding the Fourth Proportional to 67,446.59, 93,057.66 and 38,764.76

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Solution

The fourth proportional to 67,446.59, 93,057.66 and 38,764.76 is: 53,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,446.59 : 93,057.66 = 38,764.76 : x
  2. Step 2: Convert to fraction form
    67,446.59/93,057.66 = 38,764.76/x
  3. Step 3: Cross multiply
    67,446.59x = 93,057.66 × 38,764.76
  4. Step 4: Simplify right side
    67,446.59x = 3,607,357,390.77
  5. Step 5: Solve for x
    x = 3,607,357,390.77/67,446.59
  6. Step 6: Final answer
    x = 53,484.66

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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.