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Finding the Fourth Proportional to 70,754.25, 97,561.15 and 54,584.76

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Solution

The fourth proportional to 70,754.25, 97,561.15 and 54,584.76 is: 75,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,754.25 : 97,561.15 = 54,584.76 : x
  2. Step 2: Convert to fraction form
    70,754.25/97,561.15 = 54,584.76/x
  3. Step 3: Cross multiply
    70,754.25x = 97,561.15 × 54,584.76
  4. Step 4: Simplify right side
    70,754.25x = 5,325,351,821.61
  5. Step 5: Solve for x
    x = 5,325,351,821.61/70,754.25
  6. Step 6: Final answer
    x = 75,265.47

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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.