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Finding the Fourth Proportional to 2,562.54, 3,844.39 and 807.53

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Solution

The fourth proportional to 2,562.54, 3,844.39 and 807.53 is: 1,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.54 : 3,844.39 = 807.53 : x
  2. Step 2: Convert to fraction form
    2,562.54/3,844.39 = 807.53/x
  3. Step 3: Cross multiply
    2,562.54x = 3,844.39 × 807.53
  4. Step 4: Simplify right side
    2,562.54x = 3,104,476.48
  5. Step 5: Solve for x
    x = 3,104,476.48/2,562.54
  6. Step 6: Final answer
    x = 1,211.48

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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.