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Finding the Fourth Proportional to 6,751.59, 10,122.99 and 2,801.76

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Solution

The fourth proportional to 6,751.59, 10,122.99 and 2,801.76 is: 4,200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.59 : 10,122.99 = 2,801.76 : x
  2. Step 2: Convert to fraction form
    6,751.59/10,122.99 = 2,801.76/x
  3. Step 3: Cross multiply
    6,751.59x = 10,122.99 × 2,801.76
  4. Step 4: Simplify right side
    6,751.59x = 28,362,188.46
  5. Step 5: Solve for x
    x = 28,362,188.46/6,751.59
  6. Step 6: Final answer
    x = 4,200.82

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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.