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Finding the Fourth Proportional to 62,869.34, 86,760.75 and 36,014.20

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Solution

The fourth proportional to 62,869.34, 86,760.75 and 36,014.20 is: 49,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,869.34 : 86,760.75 = 36,014.20 : x
  2. Step 2: Convert to fraction form
    62,869.34/86,760.75 = 36,014.20/x
  3. Step 3: Cross multiply
    62,869.34x = 86,760.75 × 36,014.20
  4. Step 4: Simplify right side
    62,869.34x = 3,124,619,002.65
  5. Step 5: Solve for x
    x = 3,124,619,002.65/62,869.34
  6. Step 6: Final answer
    x = 49,700.20

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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.