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Finding the Fourth Proportional to 2,535.24, 3,803.68 and 803.88

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Solution

The fourth proportional to 2,535.24, 3,803.68 and 803.88 is: 1,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535.24 : 3,803.68 = 803.88 : x
  2. Step 2: Convert to fraction form
    2,535.24/3,803.68 = 803.88/x
  3. Step 3: Cross multiply
    2,535.24x = 3,803.68 × 803.88
  4. Step 4: Simplify right side
    2,535.24x = 3,057,702.28
  5. Step 5: Solve for x
    x = 3,057,702.28/2,535.24
  6. Step 6: Final answer
    x = 1,206.08

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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.