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Finding the Fourth Proportional to 62,690.04, 86,513.94 and 34,396.74

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Solution

The fourth proportional to 62,690.04, 86,513.94 and 34,396.74 is: 47,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,690.04 : 86,513.94 = 34,396.74 : x
  2. Step 2: Convert to fraction form
    62,690.04/86,513.94 = 34,396.74/x
  3. Step 3: Cross multiply
    62,690.04x = 86,513.94 × 34,396.74
  4. Step 4: Simplify right side
    62,690.04x = 2,975,797,500.56
  5. Step 5: Solve for x
    x = 2,975,797,500.56/62,690.04
  6. Step 6: Final answer
    x = 47,468.43

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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.