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Finding the Fourth Proportional to 71,445.43, 98,593.89 and 41,230.39

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Solution

The fourth proportional to 71,445.43, 98,593.89 and 41,230.39 is: 56,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,445.43 : 98,593.89 = 41,230.39 : x
  2. Step 2: Convert to fraction form
    71,445.43/98,593.89 = 41,230.39/x
  3. Step 3: Cross multiply
    71,445.43x = 98,593.89 × 41,230.39
  4. Step 4: Simplify right side
    71,445.43x = 4,065,064,536.32
  5. Step 5: Solve for x
    x = 4,065,064,536.32/71,445.43
  6. Step 6: Final answer
    x = 56,897.47

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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.