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Finding the Fourth Proportional to 63,386.44, 87,472.99 and 34,314.73

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Solution

The fourth proportional to 63,386.44, 87,472.99 and 34,314.73 is: 47,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,386.44 : 87,472.99 = 34,314.73 : x
  2. Step 2: Convert to fraction form
    63,386.44/87,472.99 = 34,314.73/x
  3. Step 3: Cross multiply
    63,386.44x = 87,472.99 × 34,314.73
  4. Step 4: Simplify right side
    63,386.44x = 3,001,612,034.14
  5. Step 5: Solve for x
    x = 3,001,612,034.14/63,386.44
  6. Step 6: Final answer
    x = 47,354.17

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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.