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Finding the Fourth Proportional to 2,951.32, 4,426.92 and 760.02

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Solution

The fourth proportional to 2,951.32, 4,426.92 and 760.02 is: 1,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.32 : 4,426.92 = 760.02 : x
  2. Step 2: Convert to fraction form
    2,951.32/4,426.92 = 760.02/x
  3. Step 3: Cross multiply
    2,951.32x = 4,426.92 × 760.02
  4. Step 4: Simplify right side
    2,951.32x = 3,364,547.74
  5. Step 5: Solve for x
    x = 3,364,547.74/2,951.32
  6. Step 6: Final answer
    x = 1,140.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.