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Finding the Fourth Proportional to 8,753.84, 12,080.34 and 4,774.97

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Solution

The fourth proportional to 8,753.84, 12,080.34 and 4,774.97 is: 6,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.84 : 12,080.34 = 4,774.97 : x
  2. Step 2: Convert to fraction form
    8,753.84/12,080.34 = 4,774.97/x
  3. Step 3: Cross multiply
    8,753.84x = 12,080.34 × 4,774.97
  4. Step 4: Simplify right side
    8,753.84x = 57,683,200.69
  5. Step 5: Solve for x
    x = 57,683,200.69/8,753.84
  6. Step 6: Final answer
    x = 6,589.48

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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.