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Finding the Fourth Proportional to 64,370.87, 88,826.90 and 36,071.09

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Solution

The fourth proportional to 64,370.87, 88,826.90 and 36,071.09 is: 49,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.87 : 88,826.90 = 36,071.09 : x
  2. Step 2: Convert to fraction form
    64,370.87/88,826.90 = 36,071.09/x
  3. Step 3: Cross multiply
    64,370.87x = 88,826.90 × 36,071.09
  4. Step 4: Simplify right side
    64,370.87x = 3,204,082,479.83
  5. Step 5: Solve for x
    x = 3,204,082,479.83/64,370.87
  6. Step 6: Final answer
    x = 49,775.35

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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.