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Finding the Fourth Proportional to 1,876.92, 2,590.16 and 1,048.92

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Solution

The fourth proportional to 1,876.92, 2,590.16 and 1,048.92 is: 1,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.92 : 2,590.16 = 1,048.92 : x
  2. Step 2: Convert to fraction form
    1,876.92/2,590.16 = 1,048.92/x
  3. Step 3: Cross multiply
    1,876.92x = 2,590.16 × 1,048.92
  4. Step 4: Simplify right side
    1,876.92x = 2,716,875.10
  5. Step 5: Solve for x
    x = 2,716,875.10/1,876.92
  6. Step 6: Final answer
    x = 1,447.51

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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.