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Finding the Fourth Proportional to 63,003.44, 86,948.40 and 36,145.76

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Solution

The fourth proportional to 63,003.44, 86,948.40 and 36,145.76 is: 49,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,003.44 : 86,948.40 = 36,145.76 : x
  2. Step 2: Convert to fraction form
    63,003.44/86,948.40 = 36,145.76/x
  3. Step 3: Cross multiply
    63,003.44x = 86,948.40 × 36,145.76
  4. Step 4: Simplify right side
    63,003.44x = 3,142,815,998.78
  5. Step 5: Solve for x
    x = 3,142,815,998.78/63,003.44
  6. Step 6: Final answer
    x = 49,883.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.