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Finding the Fourth Proportional to 63,471.90, 87,610.56 and 36,631.98

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Solution

The fourth proportional to 63,471.90, 87,610.56 and 36,631.98 is: 50,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,471.90 : 87,610.56 = 36,631.98 : x
  2. Step 2: Convert to fraction form
    63,471.90/87,610.56 = 36,631.98/x
  3. Step 3: Cross multiply
    63,471.90x = 87,610.56 × 36,631.98
  4. Step 4: Simplify right side
    63,471.90x = 3,209,348,281.71
  5. Step 5: Solve for x
    x = 3,209,348,281.71/63,471.90
  6. Step 6: Final answer
    x = 50,563.29

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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.