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Finding the Fourth Proportional to 7,754.96, 10,701.28 and 4,398.48

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Solution

The fourth proportional to 7,754.96, 10,701.28 and 4,398.48 is: 6,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.96 : 10,701.28 = 4,398.48 : x
  2. Step 2: Convert to fraction form
    7,754.96/10,701.28 = 4,398.48/x
  3. Step 3: Cross multiply
    7,754.96x = 10,701.28 × 4,398.48
  4. Step 4: Simplify right side
    7,754.96x = 47,069,366.05
  5. Step 5: Solve for x
    x = 47,069,366.05/7,754.96
  6. Step 6: Final answer
    x = 6,069.58

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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.