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Finding the Fourth Proportional to 4,868.82, 6,715.44 and 3,376.80

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Solution

The fourth proportional to 4,868.82, 6,715.44 and 3,376.80 is: 4,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.82 : 6,715.44 = 3,376.80 : x
  2. Step 2: Convert to fraction form
    4,868.82/6,715.44 = 3,376.80/x
  3. Step 3: Cross multiply
    4,868.82x = 6,715.44 × 3,376.80
  4. Step 4: Simplify right side
    4,868.82x = 22,676,697.79
  5. Step 5: Solve for x
    x = 22,676,697.79/4,868.82
  6. Step 6: Final answer
    x = 4,657.53

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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.