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Finding the Fourth Proportional to 4,248.89, 5,865.60 and 2,656.43

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Solution

The fourth proportional to 4,248.89, 5,865.60 and 2,656.43 is: 3,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248.89 : 5,865.60 = 2,656.43 : x
  2. Step 2: Convert to fraction form
    4,248.89/5,865.60 = 2,656.43/x
  3. Step 3: Cross multiply
    4,248.89x = 5,865.60 × 2,656.43
  4. Step 4: Simplify right side
    4,248.89x = 15,581,526.48
  5. Step 5: Solve for x
    x = 15,581,526.48/4,248.89
  6. Step 6: Final answer
    x = 3,667.20

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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.