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Finding the Fourth Proportional to 67,103.38, 92,602.84 and 38,423.48

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Solution

The fourth proportional to 67,103.38, 92,602.84 and 38,423.48 is: 53,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,103.38 : 92,602.84 = 38,423.48 : x
  2. Step 2: Convert to fraction form
    67,103.38/92,602.84 = 38,423.48/x
  3. Step 3: Cross multiply
    67,103.38x = 92,602.84 × 38,423.48
  4. Step 4: Simplify right side
    67,103.38x = 3,558,123,370.68
  5. Step 5: Solve for x
    x = 3,558,123,370.68/67,103.38
  6. Step 6: Final answer
    x = 53,024.50

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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.