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Finding the Fourth Proportional to 1,135.93, 1,701.70 and 844.12

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Solution

The fourth proportional to 1,135.93, 1,701.70 and 844.12 is: 1,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.93 : 1,701.70 = 844.12 : x
  2. Step 2: Convert to fraction form
    1,135.93/1,701.70 = 844.12/x
  3. Step 3: Cross multiply
    1,135.93x = 1,701.70 × 844.12
  4. Step 4: Simplify right side
    1,135.93x = 1,436,439.00
  5. Step 5: Solve for x
    x = 1,436,439.00/1,135.93
  6. Step 6: Final answer
    x = 1,264.55

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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.