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Finding the Fourth Proportional to 6,751.51, 10,124.82 and 2,856.22

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Solution

The fourth proportional to 6,751.51, 10,124.82 and 2,856.22 is: 4,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.51 : 10,124.82 = 2,856.22 : x
  2. Step 2: Convert to fraction form
    6,751.51/10,124.82 = 2,856.22/x
  3. Step 3: Cross multiply
    6,751.51x = 10,124.82 × 2,856.22
  4. Step 4: Simplify right side
    6,751.51x = 28,918,713.38
  5. Step 5: Solve for x
    x = 28,918,713.38/6,751.51
  6. Step 6: Final answer
    x = 4,283.30

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1.5x scale

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.