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Finding the Fourth Proportional to 62,887.70, 86,780.28 and 34,595.22

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Solution

The fourth proportional to 62,887.70, 86,780.28 and 34,595.22 is: 47,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,887.70 : 86,780.28 = 34,595.22 : x
  2. Step 2: Convert to fraction form
    62,887.70/86,780.28 = 34,595.22/x
  3. Step 3: Cross multiply
    62,887.70x = 86,780.28 × 34,595.22
  4. Step 4: Simplify right side
    62,887.70x = 3,002,182,878.26
  5. Step 5: Solve for x
    x = 3,002,182,878.26/62,887.70
  6. Step 6: Final answer
    x = 47,738.79

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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.