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Finding the Fourth Proportional to 1,747.74, 2,411.84 and 951.06

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Solution

The fourth proportional to 1,747.74, 2,411.84 and 951.06 is: 1,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.74 : 2,411.84 = 951.06 : x
  2. Step 2: Convert to fraction form
    1,747.74/2,411.84 = 951.06/x
  3. Step 3: Cross multiply
    1,747.74x = 2,411.84 × 951.06
  4. Step 4: Simplify right side
    1,747.74x = 2,293,804.55
  5. Step 5: Solve for x
    x = 2,293,804.55/1,747.74
  6. Step 6: Final answer
    x = 1,312.44

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1.5x scale

Why These Related Problems?

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