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Finding the Fourth Proportional to 60,592.80, 90,800.10 and 43,987.80

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Solution

The fourth proportional to 60,592.80, 90,800.10 and 43,987.80 is: 65,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,592.80 : 90,800.10 = 43,987.80 : x
  2. Step 2: Convert to fraction form
    60,592.80/90,800.10 = 43,987.80/x
  3. Step 3: Cross multiply
    60,592.80x = 90,800.10 × 43,987.80
  4. Step 4: Simplify right side
    60,592.80x = 3,994,096,638.78
  5. Step 5: Solve for x
    x = 3,994,096,638.78/60,592.80
  6. Step 6: Final answer
    x = 65,917.02

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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.