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Finding the Fourth Proportional to 71,042.67, 98,016.08 and 47,174.13

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Solution

The fourth proportional to 71,042.67, 98,016.08 and 47,174.13 is: 65,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,042.67 : 98,016.08 = 47,174.13 : x
  2. Step 2: Convert to fraction form
    71,042.67/98,016.08 = 47,174.13/x
  3. Step 3: Cross multiply
    71,042.67x = 98,016.08 × 47,174.13
  4. Step 4: Simplify right side
    71,042.67x = 4,623,823,064.14
  5. Step 5: Solve for x
    x = 4,623,823,064.14/71,042.67
  6. Step 6: Final answer
    x = 65,085.15

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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.