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Finding the Fourth Proportional to 63,591.78, 87,173.14 and 63,003.72

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Solution

The fourth proportional to 63,591.78, 87,173.14 and 63,003.72 is: 86,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,591.78 : 87,173.14 = 63,003.72 : x
  2. Step 2: Convert to fraction form
    63,591.78/87,173.14 = 63,003.72/x
  3. Step 3: Cross multiply
    63,591.78x = 87,173.14 × 63,003.72
  4. Step 4: Simplify right side
    63,591.78x = 5,492,232,104.08
  5. Step 5: Solve for x
    x = 5,492,232,104.08/63,591.78
  6. Step 6: Final answer
    x = 86,367.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.