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Finding the Fourth Proportional to 2,393.44, 3,302.48 and 1,345.44

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Solution

The fourth proportional to 2,393.44, 3,302.48 and 1,345.44 is: 1,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.44 : 3,302.48 = 1,345.44 : x
  2. Step 2: Convert to fraction form
    2,393.44/3,302.48 = 1,345.44/x
  3. Step 3: Cross multiply
    2,393.44x = 3,302.48 × 1,345.44
  4. Step 4: Simplify right side
    2,393.44x = 4,443,288.69
  5. Step 5: Solve for x
    x = 4,443,288.69/2,393.44
  6. Step 6: Final answer
    x = 1,856.44

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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.