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Finding the Fourth Proportional to 71,482.01, 98,649.65 and 41,272.86

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Solution

The fourth proportional to 71,482.01, 98,649.65 and 41,272.86 is: 56,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,482.01 : 98,649.65 = 41,272.86 : x
  2. Step 2: Convert to fraction form
    71,482.01/98,649.65 = 41,272.86/x
  3. Step 3: Cross multiply
    71,482.01x = 98,649.65 × 41,272.86
  4. Step 4: Simplify right side
    71,482.01x = 4,071,553,193.50
  5. Step 5: Solve for x
    x = 4,071,553,193.50/71,482.01
  6. Step 6: Final answer
    x = 56,959.13

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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.