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Finding the Fourth Proportional to 73,886.64, 110,779.32 and 26,500.71

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Solution

The fourth proportional to 73,886.64, 110,779.32 and 26,500.71 is: 39,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.64 : 110,779.32 = 26,500.71 : x
  2. Step 2: Convert to fraction form
    73,886.64/110,779.32 = 26,500.71/x
  3. Step 3: Cross multiply
    73,886.64x = 110,779.32 × 26,500.71
  4. Step 4: Simplify right side
    73,886.64x = 2,935,730,633.32
  5. Step 5: Solve for x
    x = 2,935,730,633.32/73,886.64
  6. Step 6: Final answer
    x = 39,732.90

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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.