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Finding the Fourth Proportional to 63,722.76, 87,938.85 and 35,040.62

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Solution

The fourth proportional to 63,722.76, 87,938.85 and 35,040.62 is: 48,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.76 : 87,938.85 = 35,040.62 : x
  2. Step 2: Convert to fraction form
    63,722.76/87,938.85 = 35,040.62/x
  3. Step 3: Cross multiply
    63,722.76x = 87,938.85 × 35,040.62
  4. Step 4: Simplify right side
    63,722.76x = 3,081,431,386.39
  5. Step 5: Solve for x
    x = 3,081,431,386.39/63,722.76
  6. Step 6: Final answer
    x = 48,356.84

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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.