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Finding the Fourth Proportional to 62,481, 86,234.02 and 36,000.36

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Solution

The fourth proportional to 62,481, 86,234.02 and 36,000.36 is: 49,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,481 : 86,234.02 = 36,000.36 : x
  2. Step 2: Convert to fraction form
    62,481/86,234.02 = 36,000.36/x
  3. Step 3: Cross multiply
    62,481x = 86,234.02 × 36,000.36
  4. Step 4: Simplify right side
    62,481x = 3,104,455,764.25
  5. Step 5: Solve for x
    x = 3,104,455,764.25/62,481
  6. Step 6: Final answer
    x = 49,686.40

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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.