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Finding the Fourth Proportional to 2,886.52, 4,330.11 and 1,037.80

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Solution

The fourth proportional to 2,886.52, 4,330.11 and 1,037.80 is: 1,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.52 : 4,330.11 = 1,037.80 : x
  2. Step 2: Convert to fraction form
    2,886.52/4,330.11 = 1,037.80/x
  3. Step 3: Cross multiply
    2,886.52x = 4,330.11 × 1,037.80
  4. Step 4: Simplify right side
    2,886.52x = 4,493,788.16
  5. Step 5: Solve for x
    x = 4,493,788.16/2,886.52
  6. Step 6: Final answer
    x = 1,556.82

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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.