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Finding the Fourth Proportional to 8,569.64, 12,856.38 and 3,023.03

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Solution

The fourth proportional to 8,569.64, 12,856.38 and 3,023.03 is: 4,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.64 : 12,856.38 = 3,023.03 : x
  2. Step 2: Convert to fraction form
    8,569.64/12,856.38 = 3,023.03/x
  3. Step 3: Cross multiply
    8,569.64x = 12,856.38 × 3,023.03
  4. Step 4: Simplify right side
    8,569.64x = 38,865,187.92
  5. Step 5: Solve for x
    x = 38,865,187.92/8,569.64
  6. Step 6: Final answer
    x = 4,535.22

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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.