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Finding the Fourth Proportional to 1,734.49, 2,393.59 and 948.53

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Solution

The fourth proportional to 1,734.49, 2,393.59 and 948.53 is: 1,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.49 : 2,393.59 = 948.53 : x
  2. Step 2: Convert to fraction form
    1,734.49/2,393.59 = 948.53/x
  3. Step 3: Cross multiply
    1,734.49x = 2,393.59 × 948.53
  4. Step 4: Simplify right side
    1,734.49x = 2,270,391.92
  5. Step 5: Solve for x
    x = 2,270,391.92/1,734.49
  6. Step 6: Final answer
    x = 1,308.97

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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.