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Finding the Fourth Proportional to 60,801.76, 83,891.62 and 35,646.40

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Solution

The fourth proportional to 60,801.76, 83,891.62 and 35,646.40 is: 49,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,801.76 : 83,891.62 = 35,646.40 : x
  2. Step 2: Convert to fraction form
    60,801.76/83,891.62 = 35,646.40/x
  3. Step 3: Cross multiply
    60,801.76x = 83,891.62 × 35,646.40
  4. Step 4: Simplify right side
    60,801.76x = 2,990,434,243.17
  5. Step 5: Solve for x
    x = 2,990,434,243.17/60,801.76
  6. Step 6: Final answer
    x = 49,183.35

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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.