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Finding the Fourth Proportional to 67,031.83, 92,505.03 and 36,819.94

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Solution

The fourth proportional to 67,031.83, 92,505.03 and 36,819.94 is: 50,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,031.83 : 92,505.03 = 36,819.94 : x
  2. Step 2: Convert to fraction form
    67,031.83/92,505.03 = 36,819.94/x
  3. Step 3: Cross multiply
    67,031.83x = 92,505.03 × 36,819.94
  4. Step 4: Simplify right side
    67,031.83x = 3,406,029,654.30
  5. Step 5: Solve for x
    x = 3,406,029,654.30/67,031.83
  6. Step 6: Final answer
    x = 50,812.13

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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.