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Finding the Fourth Proportional to 58,296.78, 87,472.86 and 30,211.62

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Solution

The fourth proportional to 58,296.78, 87,472.86 and 30,211.62 is: 45,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,296.78 : 87,472.86 = 30,211.62 : x
  2. Step 2: Convert to fraction form
    58,296.78/87,472.86 = 30,211.62/x
  3. Step 3: Cross multiply
    58,296.78x = 87,472.86 × 30,211.62
  4. Step 4: Simplify right side
    58,296.78x = 2,642,696,806.63
  5. Step 5: Solve for x
    x = 2,642,696,806.63/58,296.78
  6. Step 6: Final answer
    x = 45,331.78

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1.5x scale

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.