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Finding the Fourth Proportional to 58,466.10, 80,691.80 and 34,600.47

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Solution

The fourth proportional to 58,466.10, 80,691.80 and 34,600.47 is: 47,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,466.10 : 80,691.80 = 34,600.47 : x
  2. Step 2: Convert to fraction form
    58,466.10/80,691.80 = 34,600.47/x
  3. Step 3: Cross multiply
    58,466.10x = 80,691.80 × 34,600.47
  4. Step 4: Simplify right side
    58,466.10x = 2,791,973,729.55
  5. Step 5: Solve for x
    x = 2,791,973,729.55/58,466.10
  6. Step 6: Final answer
    x = 47,753.72

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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.