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Finding the Fourth Proportional to 2,363.76, 3,546.36 and 1,064.88

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Solution

The fourth proportional to 2,363.76, 3,546.36 and 1,064.88 is: 1,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.76 : 3,546.36 = 1,064.88 : x
  2. Step 2: Convert to fraction form
    2,363.76/3,546.36 = 1,064.88/x
  3. Step 3: Cross multiply
    2,363.76x = 3,546.36 × 1,064.88
  4. Step 4: Simplify right side
    2,363.76x = 3,776,447.84
  5. Step 5: Solve for x
    x = 3,776,447.84/2,363.76
  6. Step 6: Final answer
    x = 1,597.64

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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.