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Finding the Fourth Proportional to 4,872.61, 6,724.25 and 4,500.55

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Solution

The fourth proportional to 4,872.61, 6,724.25 and 4,500.55 is: 6,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.61 : 6,724.25 = 4,500.55 : x
  2. Step 2: Convert to fraction form
    4,872.61/6,724.25 = 4,500.55/x
  3. Step 3: Cross multiply
    4,872.61x = 6,724.25 × 4,500.55
  4. Step 4: Simplify right side
    4,872.61x = 30,262,823.34
  5. Step 5: Solve for x
    x = 30,262,823.34/4,872.61
  6. Step 6: Final answer
    x = 6,210.80

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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.