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Finding the Fourth Proportional to 62,369.65, 86,045.68 and 38,454.80

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Solution

The fourth proportional to 62,369.65, 86,045.68 and 38,454.80 is: 53,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,369.65 : 86,045.68 = 38,454.80 : x
  2. Step 2: Convert to fraction form
    62,369.65/86,045.68 = 38,454.80/x
  3. Step 3: Cross multiply
    62,369.65x = 86,045.68 × 38,454.80
  4. Step 4: Simplify right side
    62,369.65x = 3,308,869,415.26
  5. Step 5: Solve for x
    x = 3,308,869,415.26/62,369.65
  6. Step 6: Final answer
    x = 53,052.56

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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.