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Finding the Fourth Proportional to 60,610.70, 83,639.84 and 35,115.81

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Solution

The fourth proportional to 60,610.70, 83,639.84 and 35,115.81 is: 48,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.70 : 83,639.84 = 35,115.81 : x
  2. Step 2: Convert to fraction form
    60,610.70/83,639.84 = 35,115.81/x
  3. Step 3: Cross multiply
    60,610.70x = 83,639.84 × 35,115.81
  4. Step 4: Simplify right side
    60,610.70x = 2,937,080,554.29
  5. Step 5: Solve for x
    x = 2,937,080,554.29/60,610.70
  6. Step 6: Final answer
    x = 48,458.12

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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.