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Finding the Fourth Proportional to 60,661.25, 83,702.68 and 35,162.64

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Solution

The fourth proportional to 60,661.25, 83,702.68 and 35,162.64 is: 48,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.25 : 83,702.68 = 35,162.64 : x
  2. Step 2: Convert to fraction form
    60,661.25/83,702.68 = 35,162.64/x
  3. Step 3: Cross multiply
    60,661.25x = 83,702.68 × 35,162.64
  4. Step 4: Simplify right side
    60,661.25x = 2,943,207,028.06
  5. Step 5: Solve for x
    x = 2,943,207,028.06/60,661.25
  6. Step 6: Final answer
    x = 48,518.73

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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.