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Finding the Fourth Proportional to 2,029.76, 2,801.12 and 1,244.24

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Solution

The fourth proportional to 2,029.76, 2,801.12 and 1,244.24 is: 1,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.76 : 2,801.12 = 1,244.24 : x
  2. Step 2: Convert to fraction form
    2,029.76/2,801.12 = 1,244.24/x
  3. Step 3: Cross multiply
    2,029.76x = 2,801.12 × 1,244.24
  4. Step 4: Simplify right side
    2,029.76x = 3,485,265.55
  5. Step 5: Solve for x
    x = 3,485,265.55/2,029.76
  6. Step 6: Final answer
    x = 1,717.08

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1.5x scale

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.