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Finding the Fourth Proportional to 63,437.58, 95,157.92 and 21,318.27

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Solution

The fourth proportional to 63,437.58, 95,157.92 and 21,318.27 is: 31,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,437.58 : 95,157.92 = 21,318.27 : x
  2. Step 2: Convert to fraction form
    63,437.58/95,157.92 = 21,318.27/x
  3. Step 3: Cross multiply
    63,437.58x = 95,157.92 × 21,318.27
  4. Step 4: Simplify right side
    63,437.58x = 2,028,602,231.20
  5. Step 5: Solve for x
    x = 2,028,602,231.20/63,437.58
  6. Step 6: Final answer
    x = 31,977.93

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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.