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Finding the Fourth Proportional to 1,595.93, 2,391.16 and 1,267.88

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Solution

The fourth proportional to 1,595.93, 2,391.16 and 1,267.88 is: 1,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.93 : 2,391.16 = 1,267.88 : x
  2. Step 2: Convert to fraction form
    1,595.93/2,391.16 = 1,267.88/x
  3. Step 3: Cross multiply
    1,595.93x = 2,391.16 × 1,267.88
  4. Step 4: Simplify right side
    1,595.93x = 3,031,703.94
  5. Step 5: Solve for x
    x = 3,031,703.94/1,595.93
  6. Step 6: Final answer
    x = 1,899.65

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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.