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Finding the Fourth Proportional to 63,668.92, 95,373.32 and 30,288

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Solution

The fourth proportional to 63,668.92, 95,373.32 and 30,288 is: 45,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.92 : 95,373.32 = 30,288 : x
  2. Step 2: Convert to fraction form
    63,668.92/95,373.32 = 30,288/x
  3. Step 3: Cross multiply
    63,668.92x = 95,373.32 × 30,288
  4. Step 4: Simplify right side
    63,668.92x = 2,888,667,116.16
  5. Step 5: Solve for x
    x = 2,888,667,116.16/63,668.92
  6. Step 6: Final answer
    x = 45,370.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.