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Finding the Fourth Proportional to 62,347.17, 86,043.49 and 35,489.69

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Solution

The fourth proportional to 62,347.17, 86,043.49 and 35,489.69 is: 48,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,347.17 : 86,043.49 = 35,489.69 : x
  2. Step 2: Convert to fraction form
    62,347.17/86,043.49 = 35,489.69/x
  3. Step 3: Cross multiply
    62,347.17x = 86,043.49 × 35,489.69
  4. Step 4: Simplify right side
    62,347.17x = 3,053,656,786.62
  5. Step 5: Solve for x
    x = 3,053,656,786.62/62,347.17
  6. Step 6: Final answer
    x = 48,978.27

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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.