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Finding the Fourth Proportional to 67,034.78, 92,508.75 and 36,820.80

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Solution

The fourth proportional to 67,034.78, 92,508.75 and 36,820.80 is: 50,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,034.78 : 92,508.75 = 36,820.80 : x
  2. Step 2: Convert to fraction form
    67,034.78/92,508.75 = 36,820.80/x
  3. Step 3: Cross multiply
    67,034.78x = 92,508.75 × 36,820.80
  4. Step 4: Simplify right side
    67,034.78x = 3,406,246,182.00
  5. Step 5: Solve for x
    x = 3,406,246,182.00/67,034.78
  6. Step 6: Final answer
    x = 50,813.12

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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.