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Finding the Fourth Proportional to 45,085.52, 67,598.04 and 40,394

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Solution

The fourth proportional to 45,085.52, 67,598.04 and 40,394 is: 60,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,085.52 : 67,598.04 = 40,394 : x
  2. Step 2: Convert to fraction form
    45,085.52/67,598.04 = 40,394/x
  3. Step 3: Cross multiply
    45,085.52x = 67,598.04 × 40,394
  4. Step 4: Simplify right side
    45,085.52x = 2,730,555,227.76
  5. Step 5: Solve for x
    x = 2,730,555,227.76/45,085.52
  6. Step 6: Final answer
    x = 60,563.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.