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Finding the Fourth Proportional to 4,508.64, 6,764.04 and 1,587.24

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Solution

The fourth proportional to 4,508.64, 6,764.04 and 1,587.24 is: 2,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.64 : 6,764.04 = 1,587.24 : x
  2. Step 2: Convert to fraction form
    4,508.64/6,764.04 = 1,587.24/x
  3. Step 3: Cross multiply
    4,508.64x = 6,764.04 × 1,587.24
  4. Step 4: Simplify right side
    4,508.64x = 10,736,154.85
  5. Step 5: Solve for x
    x = 10,736,154.85/4,508.64
  6. Step 6: Final answer
    x = 2,381.24

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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.