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Finding the Fourth Proportional to 6,760.84, 9,316.78 and 4,868.85

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Solution

The fourth proportional to 6,760.84, 9,316.78 and 4,868.85 is: 6,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.84 : 9,316.78 = 4,868.85 : x
  2. Step 2: Convert to fraction form
    6,760.84/9,316.78 = 4,868.85/x
  3. Step 3: Cross multiply
    6,760.84x = 9,316.78 × 4,868.85
  4. Step 4: Simplify right side
    6,760.84x = 45,362,001.50
  5. Step 5: Solve for x
    x = 45,362,001.50/6,760.84
  6. Step 6: Final answer
    x = 6,709.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.