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Finding the Fourth Proportional to 64,888.74, 89,562.69 and 36,610.83

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Solution

The fourth proportional to 64,888.74, 89,562.69 and 36,610.83 is: 50,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.74 : 89,562.69 = 36,610.83 : x
  2. Step 2: Convert to fraction form
    64,888.74/89,562.69 = 36,610.83/x
  3. Step 3: Cross multiply
    64,888.74x = 89,562.69 × 36,610.83
  4. Step 4: Simplify right side
    64,888.74x = 3,278,964,417.93
  5. Step 5: Solve for x
    x = 3,278,964,417.93/64,888.74
  6. Step 6: Final answer
    x = 50,532.10

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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.