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Finding the Fourth Proportional to 1,876.95, 2,590.15 and 1,037.69

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Solution

The fourth proportional to 1,876.95, 2,590.15 and 1,037.69 is: 1,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.95 : 2,590.15 = 1,037.69 : x
  2. Step 2: Convert to fraction form
    1,876.95/2,590.15 = 1,037.69/x
  3. Step 3: Cross multiply
    1,876.95x = 2,590.15 × 1,037.69
  4. Step 4: Simplify right side
    1,876.95x = 2,687,771.79
  5. Step 5: Solve for x
    x = 2,687,771.79/1,876.95
  6. Step 6: Final answer
    x = 1,431.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.