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Finding the Fourth Proportional to 1,734.48, 2,393.57 and 948.51

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Solution

The fourth proportional to 1,734.48, 2,393.57 and 948.51 is: 1,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.48 : 2,393.57 = 948.51 : x
  2. Step 2: Convert to fraction form
    1,734.48/2,393.57 = 948.51/x
  3. Step 3: Cross multiply
    1,734.48x = 2,393.57 × 948.51
  4. Step 4: Simplify right side
    1,734.48x = 2,270,327.45
  5. Step 5: Solve for x
    x = 2,270,327.45/1,734.48
  6. Step 6: Final answer
    x = 1,308.94

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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.