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Finding the Fourth Proportional to 4,866.42, 6,717.94 and 3,805.74

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Solution

The fourth proportional to 4,866.42, 6,717.94 and 3,805.74 is: 5,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.42 : 6,717.94 = 3,805.74 : x
  2. Step 2: Convert to fraction form
    4,866.42/6,717.94 = 3,805.74/x
  3. Step 3: Cross multiply
    4,866.42x = 6,717.94 × 3,805.74
  4. Step 4: Simplify right side
    4,866.42x = 25,566,732.98
  5. Step 5: Solve for x
    x = 25,566,732.98/4,866.42
  6. Step 6: Final answer
    x = 5,253.70

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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.