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Finding the Fourth Proportional to 2,392.97, 3,302.30 and 1,345.04

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Solution

The fourth proportional to 2,392.97, 3,302.30 and 1,345.04 is: 1,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.97 : 3,302.30 = 1,345.04 : x
  2. Step 2: Convert to fraction form
    2,392.97/3,302.30 = 1,345.04/x
  3. Step 3: Cross multiply
    2,392.97x = 3,302.30 × 1,345.04
  4. Step 4: Simplify right side
    2,392.97x = 4,441,725.59
  5. Step 5: Solve for x
    x = 4,441,725.59/2,392.97
  6. Step 6: Final answer
    x = 1,856.16

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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.