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Finding the Fourth Proportional to 4,248.64, 5,865.26 and 2,656.17

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Solution

The fourth proportional to 4,248.64, 5,865.26 and 2,656.17 is: 3,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248.64 : 5,865.26 = 2,656.17 : x
  2. Step 2: Convert to fraction form
    4,248.64/5,865.26 = 2,656.17/x
  3. Step 3: Cross multiply
    4,248.64x = 5,865.26 × 2,656.17
  4. Step 4: Simplify right side
    4,248.64x = 15,579,129.04
  5. Step 5: Solve for x
    x = 15,579,129.04/4,248.64
  6. Step 6: Final answer
    x = 3,666.85

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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.