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Finding the Fourth Proportional to 2,595.16, 3,891.88 and 1,133.92

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Solution

The fourth proportional to 2,595.16, 3,891.88 and 1,133.92 is: 1,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,595.16 : 3,891.88 = 1,133.92 : x
  2. Step 2: Convert to fraction form
    2,595.16/3,891.88 = 1,133.92/x
  3. Step 3: Cross multiply
    2,595.16x = 3,891.88 × 1,133.92
  4. Step 4: Simplify right side
    2,595.16x = 4,413,080.57
  5. Step 5: Solve for x
    x = 4,413,080.57/2,595.16
  6. Step 6: Final answer
    x = 1,700.50

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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.