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Finding the Fourth Proportional to 6,612.66, 9,125.33 and 4,254.80

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Solution

The fourth proportional to 6,612.66, 9,125.33 and 4,254.80 is: 5,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.66 : 9,125.33 = 4,254.80 : x
  2. Step 2: Convert to fraction form
    6,612.66/9,125.33 = 4,254.80/x
  3. Step 3: Cross multiply
    6,612.66x = 9,125.33 × 4,254.80
  4. Step 4: Simplify right side
    6,612.66x = 38,826,387.18
  5. Step 5: Solve for x
    x = 38,826,387.18/6,612.66
  6. Step 6: Final answer
    x = 5,871.52

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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.