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Finding the Fourth Proportional to 58,668.78, 80,956.92 and 36,008.72

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Solution

The fourth proportional to 58,668.78, 80,956.92 and 36,008.72 is: 49,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,668.78 : 80,956.92 = 36,008.72 : x
  2. Step 2: Convert to fraction form
    58,668.78/80,956.92 = 36,008.72/x
  3. Step 3: Cross multiply
    58,668.78x = 80,956.92 × 36,008.72
  4. Step 4: Simplify right side
    58,668.78x = 2,915,155,064.34
  5. Step 5: Solve for x
    x = 2,915,155,064.34/58,668.78
  6. Step 6: Final answer
    x = 49,688.35

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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.