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Finding the Fourth Proportional to 1,876, 2,588.88 and 1,048.16

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Solution

The fourth proportional to 1,876, 2,588.88 and 1,048.16 is: 1,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876 : 2,588.88 = 1,048.16 : x
  2. Step 2: Convert to fraction form
    1,876/2,588.88 = 1,048.16/x
  3. Step 3: Cross multiply
    1,876x = 2,588.88 × 1,048.16
  4. Step 4: Simplify right side
    1,876x = 2,713,560.46
  5. Step 5: Solve for x
    x = 2,713,560.46/1,876
  6. Step 6: Final answer
    x = 1,446.46

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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.