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Finding the Fourth Proportional to 70,454.92, 97,228.56 and 38,623.12

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Solution

The fourth proportional to 70,454.92, 97,228.56 and 38,623.12 is: 53,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.92 : 97,228.56 = 38,623.12 : x
  2. Step 2: Convert to fraction form
    70,454.92/97,228.56 = 38,623.12/x
  3. Step 3: Cross multiply
    70,454.92x = 97,228.56 × 38,623.12
  4. Step 4: Simplify right side
    70,454.92x = 3,755,270,340.31
  5. Step 5: Solve for x
    x = 3,755,270,340.31/70,454.92
  6. Step 6: Final answer
    x = 53,300.33

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Similar ratio
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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.