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Finding the Fourth Proportional to 1,844.80, 2,545.78 and 1,058.80

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Solution

The fourth proportional to 1,844.80, 2,545.78 and 1,058.80 is: 1,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.80 : 2,545.78 = 1,058.80 : x
  2. Step 2: Convert to fraction form
    1,844.80/2,545.78 = 1,058.80/x
  3. Step 3: Cross multiply
    1,844.80x = 2,545.78 × 1,058.80
  4. Step 4: Simplify right side
    1,844.80x = 2,695,471.86
  5. Step 5: Solve for x
    x = 2,695,471.86/1,844.80
  6. Step 6: Final answer
    x = 1,461.12

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