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Finding the Fourth Proportional to 63,807.10, 95,711.85 and 27,779.92

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Solution

The fourth proportional to 63,807.10, 95,711.85 and 27,779.92 is: 41,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,807.10 : 95,711.85 = 27,779.92 : x
  2. Step 2: Convert to fraction form
    63,807.10/95,711.85 = 27,779.92/x
  3. Step 3: Cross multiply
    63,807.10x = 95,711.85 × 27,779.92
  4. Step 4: Simplify right side
    63,807.10x = 2,658,867,536.05
  5. Step 5: Solve for x
    x = 2,658,867,536.05/63,807.10
  6. Step 6: Final answer
    x = 41,670.40

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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.