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Finding the Fourth Proportional to 4,877.61, 6,731.12 and 2,753.16

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Solution

The fourth proportional to 4,877.61, 6,731.12 and 2,753.16 is: 3,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.61 : 6,731.12 = 2,753.16 : x
  2. Step 2: Convert to fraction form
    4,877.61/6,731.12 = 2,753.16/x
  3. Step 3: Cross multiply
    4,877.61x = 6,731.12 × 2,753.16
  4. Step 4: Simplify right side
    4,877.61x = 18,531,850.34
  5. Step 5: Solve for x
    x = 18,531,850.34/4,877.61
  6. Step 6: Final answer
    x = 3,799.37

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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.