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Finding the Fourth Proportional to 60,664.40, 83,716.68 and 35,508.88

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Solution

The fourth proportional to 60,664.40, 83,716.68 and 35,508.88 is: 49,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,664.40 : 83,716.68 = 35,508.88 : x
  2. Step 2: Convert to fraction form
    60,664.40/83,716.68 = 35,508.88/x
  3. Step 3: Cross multiply
    60,664.40x = 83,716.68 × 35,508.88
  4. Step 4: Simplify right side
    60,664.40x = 2,972,685,544.12
  5. Step 5: Solve for x
    x = 2,972,685,544.12/60,664.40
  6. Step 6: Final answer
    x = 49,002.14

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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.