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Finding the Fourth Proportional to 7,062.60, 10,572.84 and 4,280.88

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Solution

The fourth proportional to 7,062.60, 10,572.84 and 4,280.88 is: 6,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.60 : 10,572.84 = 4,280.88 : x
  2. Step 2: Convert to fraction form
    7,062.60/10,572.84 = 4,280.88/x
  3. Step 3: Cross multiply
    7,062.60x = 10,572.84 × 4,280.88
  4. Step 4: Simplify right side
    7,062.60x = 45,261,059.30
  5. Step 5: Solve for x
    x = 45,261,059.30/7,062.60
  6. Step 6: Final answer
    x = 6,408.55

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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.