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Finding the Fourth Proportional to 5,345.60, 8,011.20 and 2,264

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Solution

The fourth proportional to 5,345.60, 8,011.20 and 2,264 is: 3,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.60 : 8,011.20 = 2,264 : x
  2. Step 2: Convert to fraction form
    5,345.60/8,011.20 = 2,264/x
  3. Step 3: Cross multiply
    5,345.60x = 8,011.20 × 2,264
  4. Step 4: Simplify right side
    5,345.60x = 18,137,356.80
  5. Step 5: Solve for x
    x = 18,137,356.80/5,345.60
  6. Step 6: Final answer
    x = 3,392.95

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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.