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Finding the Fourth Proportional to 2,254.59, 3,381.89 and 956.07

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Solution

The fourth proportional to 2,254.59, 3,381.89 and 956.07 is: 1,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.59 : 3,381.89 = 956.07 : x
  2. Step 2: Convert to fraction form
    2,254.59/3,381.89 = 956.07/x
  3. Step 3: Cross multiply
    2,254.59x = 3,381.89 × 956.07
  4. Step 4: Simplify right side
    2,254.59x = 3,233,318.79
  5. Step 5: Solve for x
    x = 3,233,318.79/2,254.59
  6. Step 6: Final answer
    x = 1,434.11

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1.5x scale

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.