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Finding the Fourth Proportional to 1,876.25, 2,589.23 and 1,048.25

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Solution

The fourth proportional to 1,876.25, 2,589.23 and 1,048.25 is: 1,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.25 : 2,589.23 = 1,048.25 : x
  2. Step 2: Convert to fraction form
    1,876.25/2,589.23 = 1,048.25/x
  3. Step 3: Cross multiply
    1,876.25x = 2,589.23 × 1,048.25
  4. Step 4: Simplify right side
    1,876.25x = 2,714,160.35
  5. Step 5: Solve for x
    x = 2,714,160.35/1,876.25
  6. Step 6: Final answer
    x = 1,446.59

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1.5x scale

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.