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Finding the Fourth Proportional to 2,264.48, 3,124.48 and 1,436

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Solution

The fourth proportional to 2,264.48, 3,124.48 and 1,436 is: 1,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.48 : 3,124.48 = 1,436 : x
  2. Step 2: Convert to fraction form
    2,264.48/3,124.48 = 1,436/x
  3. Step 3: Cross multiply
    2,264.48x = 3,124.48 × 1,436
  4. Step 4: Simplify right side
    2,264.48x = 4,486,753.28
  5. Step 5: Solve for x
    x = 4,486,753.28/2,264.48
  6. Step 6: Final answer
    x = 1,981.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.