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Finding the Fourth Proportional to 4,951.92, 6,837.72 and 3,089.52

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Solution

The fourth proportional to 4,951.92, 6,837.72 and 3,089.52 is: 4,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.92 : 6,837.72 = 3,089.52 : x
  2. Step 2: Convert to fraction form
    4,951.92/6,837.72 = 3,089.52/x
  3. Step 3: Cross multiply
    4,951.92x = 6,837.72 × 3,089.52
  4. Step 4: Simplify right side
    4,951.92x = 21,125,272.69
  5. Step 5: Solve for x
    x = 21,125,272.69/4,951.92
  6. Step 6: Final answer
    x = 4,266.08

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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.