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Finding the Fourth Proportional to 71,364.13, 98,478.25 and 39,092.29

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Solution

The fourth proportional to 71,364.13, 98,478.25 and 39,092.29 is: 53,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.13 : 98,478.25 = 39,092.29 : x
  2. Step 2: Convert to fraction form
    71,364.13/98,478.25 = 39,092.29/x
  3. Step 3: Cross multiply
    71,364.13x = 98,478.25 × 39,092.29
  4. Step 4: Simplify right side
    71,364.13x = 3,849,739,963.77
  5. Step 5: Solve for x
    x = 3,849,739,963.77/71,364.13
  6. Step 6: Final answer
    x = 53,945.03

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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.