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Finding the Fourth Proportional to 2,897.68, 4,346.85 and 1,049.66

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Solution

The fourth proportional to 2,897.68, 4,346.85 and 1,049.66 is: 1,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.68 : 4,346.85 = 1,049.66 : x
  2. Step 2: Convert to fraction form
    2,897.68/4,346.85 = 1,049.66/x
  3. Step 3: Cross multiply
    2,897.68x = 4,346.85 × 1,049.66
  4. Step 4: Simplify right side
    2,897.68x = 4,562,714.57
  5. Step 5: Solve for x
    x = 4,562,714.57/2,897.68
  6. Step 6: Final answer
    x = 1,574.61

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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.