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Finding the Fourth Proportional to 44,574, 66,882.76 and 19,610.92

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Solution

The fourth proportional to 44,574, 66,882.76 and 19,610.92 is: 29,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,574 : 66,882.76 = 19,610.92 : x
  2. Step 2: Convert to fraction form
    44,574/66,882.76 = 19,610.92/x
  3. Step 3: Cross multiply
    44,574x = 66,882.76 × 19,610.92
  4. Step 4: Simplify right side
    44,574x = 1,311,632,455.74
  5. Step 5: Solve for x
    x = 1,311,632,455.74/44,574
  6. Step 6: Final answer
    x = 29,425.95

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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.