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Finding the Fourth Proportional to 71,742.62, 98,963.61 and 44,838.42

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Solution

The fourth proportional to 71,742.62, 98,963.61 and 44,838.42 is: 61,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,742.62 : 98,963.61 = 44,838.42 : x
  2. Step 2: Convert to fraction form
    71,742.62/98,963.61 = 44,838.42/x
  3. Step 3: Cross multiply
    71,742.62x = 98,963.61 × 44,838.42
  4. Step 4: Simplify right side
    71,742.62x = 4,437,372,112.87
  5. Step 5: Solve for x
    x = 4,437,372,112.87/71,742.62
  6. Step 6: Final answer
    x = 61,851.27

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1.5x scale

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.