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Finding the Fourth Proportional to 62,473.55, 86,214.17 and 34,178.63

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Solution

The fourth proportional to 62,473.55, 86,214.17 and 34,178.63 is: 47,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,473.55 : 86,214.17 = 34,178.63 : x
  2. Step 2: Convert to fraction form
    62,473.55/86,214.17 = 34,178.63/x
  3. Step 3: Cross multiply
    62,473.55x = 86,214.17 × 34,178.63
  4. Step 4: Simplify right side
    62,473.55x = 2,946,681,871.56
  5. Step 5: Solve for x
    x = 2,946,681,871.56/62,473.55
  6. Step 6: Final answer
    x = 47,166.87

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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.