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Finding the Fourth Proportional to 4,865.76, 7,276.68 and 4,259.52

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Solution

The fourth proportional to 4,865.76, 7,276.68 and 4,259.52 is: 6,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.76 : 7,276.68 = 4,259.52 : x
  2. Step 2: Convert to fraction form
    4,865.76/7,276.68 = 4,259.52/x
  3. Step 3: Cross multiply
    4,865.76x = 7,276.68 × 4,259.52
  4. Step 4: Simplify right side
    4,865.76x = 30,995,163.99
  5. Step 5: Solve for x
    x = 30,995,163.99/4,865.76
  6. Step 6: Final answer
    x = 6,370.06

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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.