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Finding the Fourth Proportional to 3,842.58, 5,763.57 and 1,502.15

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Solution

The fourth proportional to 3,842.58, 5,763.57 and 1,502.15 is: 2,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.58 : 5,763.57 = 1,502.15 : x
  2. Step 2: Convert to fraction form
    3,842.58/5,763.57 = 1,502.15/x
  3. Step 3: Cross multiply
    3,842.58x = 5,763.57 × 1,502.15
  4. Step 4: Simplify right side
    3,842.58x = 8,657,717.86
  5. Step 5: Solve for x
    x = 8,657,717.86/3,842.58
  6. Step 6: Final answer
    x = 2,253.10

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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.