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Finding the Fourth Proportional to 62,673.46, 86,488.88 and 34,378.96

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Solution

The fourth proportional to 62,673.46, 86,488.88 and 34,378.96 is: 47,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,673.46 : 86,488.88 = 34,378.96 : x
  2. Step 2: Convert to fraction form
    62,673.46/86,488.88 = 34,378.96/x
  3. Step 3: Cross multiply
    62,673.46x = 86,488.88 × 34,378.96
  4. Step 4: Simplify right side
    62,673.46x = 2,973,397,745.96
  5. Step 5: Solve for x
    x = 2,973,397,745.96/62,673.46
  6. Step 6: Final answer
    x = 47,442.69

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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.