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Finding the Fourth Proportional to 6,752.88, 10,121.76 and 4,808.88

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Solution

The fourth proportional to 6,752.88, 10,121.76 and 4,808.88 is: 7,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.88 : 10,121.76 = 4,808.88 : x
  2. Step 2: Convert to fraction form
    6,752.88/10,121.76 = 4,808.88/x
  3. Step 3: Cross multiply
    6,752.88x = 10,121.76 × 4,808.88
  4. Step 4: Simplify right side
    6,752.88x = 48,674,329.23
  5. Step 5: Solve for x
    x = 48,674,329.23/6,752.88
  6. Step 6: Final answer
    x = 7,207.94

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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.