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Finding the Fourth Proportional to 6,242.55, 9,367.55 and 3,320.88

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Solution

The fourth proportional to 6,242.55, 9,367.55 and 3,320.88 is: 4,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.55 : 9,367.55 = 3,320.88 : x
  2. Step 2: Convert to fraction form
    6,242.55/9,367.55 = 3,320.88/x
  3. Step 3: Cross multiply
    6,242.55x = 9,367.55 × 3,320.88
  4. Step 4: Simplify right side
    6,242.55x = 31,108,492.84
  5. Step 5: Solve for x
    x = 31,108,492.84/6,242.55
  6. Step 6: Final answer
    x = 4,983.30

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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.