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Finding the Fourth Proportional to 71,457.52, 98,608.16 and 41,248.22

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Solution

The fourth proportional to 71,457.52, 98,608.16 and 41,248.22 is: 56,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,457.52 : 98,608.16 = 41,248.22 : x
  2. Step 2: Convert to fraction form
    71,457.52/98,608.16 = 41,248.22/x
  3. Step 3: Cross multiply
    71,457.52x = 98,608.16 × 41,248.22
  4. Step 4: Simplify right side
    71,457.52x = 4,067,411,077.48
  5. Step 5: Solve for x
    x = 4,067,411,077.48/71,457.52
  6. Step 6: Final answer
    x = 56,920.69

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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.