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Finding the Fourth Proportional to 2,475.84, 3,712.16 and 1,013.52

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Solution

The fourth proportional to 2,475.84, 3,712.16 and 1,013.52 is: 1,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.84 : 3,712.16 = 1,013.52 : x
  2. Step 2: Convert to fraction form
    2,475.84/3,712.16 = 1,013.52/x
  3. Step 3: Cross multiply
    2,475.84x = 3,712.16 × 1,013.52
  4. Step 4: Simplify right side
    2,475.84x = 3,762,348.40
  5. Step 5: Solve for x
    x = 3,762,348.40/2,475.84
  6. Step 6: Final answer
    x = 1,519.63

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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.