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Finding the Fourth Proportional to 60,003.10, 90,004.65 and 43,327.90

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Solution

The fourth proportional to 60,003.10, 90,004.65 and 43,327.90 is: 64,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,003.10 : 90,004.65 = 43,327.90 : x
  2. Step 2: Convert to fraction form
    60,003.10/90,004.65 = 43,327.90/x
  3. Step 3: Cross multiply
    60,003.10x = 90,004.65 × 43,327.90
  4. Step 4: Simplify right side
    60,003.10x = 3,899,712,474.74
  5. Step 5: Solve for x
    x = 3,899,712,474.74/60,003.10
  6. Step 6: Final answer
    x = 64,991.85

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Similar ratio
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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.