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Finding the Fourth Proportional to 62,494.49, 86,246.21 and 35,642.18

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Solution

The fourth proportional to 62,494.49, 86,246.21 and 35,642.18 is: 49,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,494.49 : 86,246.21 = 35,642.18 : x
  2. Step 2: Convert to fraction form
    62,494.49/86,246.21 = 35,642.18/x
  3. Step 3: Cross multiply
    62,494.49x = 86,246.21 × 35,642.18
  4. Step 4: Simplify right side
    62,494.49x = 3,074,002,941.14
  5. Step 5: Solve for x
    x = 3,074,002,941.14/62,494.49
  6. Step 6: Final answer
    x = 49,188.38

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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.