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Finding the Fourth Proportional to 1,350.71, 2,026.08 and 376.75

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Solution

The fourth proportional to 1,350.71, 2,026.08 and 376.75 is: 565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.71 : 2,026.08 = 376.75 : x
  2. Step 2: Convert to fraction form
    1,350.71/2,026.08 = 376.75/x
  3. Step 3: Cross multiply
    1,350.71x = 2,026.08 × 376.75
  4. Step 4: Simplify right side
    1,350.71x = 763,328.17
  5. Step 5: Solve for x
    x = 763,328.17/1,350.71
  6. Step 6: Final answer
    x = 565.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.