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Finding the Fourth Proportional to 5,252.64, 7,876.54 and 1,553.55

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Solution

The fourth proportional to 5,252.64, 7,876.54 and 1,553.55 is: 2,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.64 : 7,876.54 = 1,553.55 : x
  2. Step 2: Convert to fraction form
    5,252.64/7,876.54 = 1,553.55/x
  3. Step 3: Cross multiply
    5,252.64x = 7,876.54 × 1,553.55
  4. Step 4: Simplify right side
    5,252.64x = 12,236,598.72
  5. Step 5: Solve for x
    x = 12,236,598.72/5,252.64
  6. Step 6: Final answer
    x = 2,329.61

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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.