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Finding the Fourth Proportional to 71,647.04, 98,873.44 and 41,432.32

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Solution

The fourth proportional to 71,647.04, 98,873.44 and 41,432.32 is: 57,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,647.04 : 98,873.44 = 41,432.32 : x
  2. Step 2: Convert to fraction form
    71,647.04/98,873.44 = 41,432.32/x
  3. Step 3: Cross multiply
    71,647.04x = 98,873.44 × 41,432.32
  4. Step 4: Simplify right side
    71,647.04x = 4,096,556,005.58
  5. Step 5: Solve for x
    x = 4,096,556,005.58/71,647.04
  6. Step 6: Final answer
    x = 57,176.91

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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.