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Finding the Fourth Proportional to 2,254.17, 3,383.07 and 956.55

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Solution

The fourth proportional to 2,254.17, 3,383.07 and 956.55 is: 1,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.17 : 3,383.07 = 956.55 : x
  2. Step 2: Convert to fraction form
    2,254.17/3,383.07 = 956.55/x
  3. Step 3: Cross multiply
    2,254.17x = 3,383.07 × 956.55
  4. Step 4: Simplify right side
    2,254.17x = 3,236,075.61
  5. Step 5: Solve for x
    x = 3,236,075.61/2,254.17
  6. Step 6: Final answer
    x = 1,435.60

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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.