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Finding the Fourth Proportional to 4,965.52, 7,449.60 and 1,502.88

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Solution

The fourth proportional to 4,965.52, 7,449.60 and 1,502.88 is: 2,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.52 : 7,449.60 = 1,502.88 : x
  2. Step 2: Convert to fraction form
    4,965.52/7,449.60 = 1,502.88/x
  3. Step 3: Cross multiply
    4,965.52x = 7,449.60 × 1,502.88
  4. Step 4: Simplify right side
    4,965.52x = 11,195,854.85
  5. Step 5: Solve for x
    x = 11,195,854.85/4,965.52
  6. Step 6: Final answer
    x = 2,254.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.