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Finding the Fourth Proportional to 60,514.40, 90,663.60 and 29,280.80

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Solution

The fourth proportional to 60,514.40, 90,663.60 and 29,280.80 is: 43,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,514.40 : 90,663.60 = 29,280.80 : x
  2. Step 2: Convert to fraction form
    60,514.40/90,663.60 = 29,280.80/x
  3. Step 3: Cross multiply
    60,514.40x = 90,663.60 × 29,280.80
  4. Step 4: Simplify right side
    60,514.40x = 2,654,702,738.88
  5. Step 5: Solve for x
    x = 2,654,702,738.88/60,514.40
  6. Step 6: Final answer
    x = 43,868.94

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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.