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Finding the Fourth Proportional to 3,349.74, 4,622.86 and 1,933.71

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Solution

The fourth proportional to 3,349.74, 4,622.86 and 1,933.71 is: 2,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.74 : 4,622.86 = 1,933.71 : x
  2. Step 2: Convert to fraction form
    3,349.74/4,622.86 = 1,933.71/x
  3. Step 3: Cross multiply
    3,349.74x = 4,622.86 × 1,933.71
  4. Step 4: Simplify right side
    3,349.74x = 8,939,270.61
  5. Step 5: Solve for x
    x = 8,939,270.61/3,349.74
  6. Step 6: Final answer
    x = 2,668.65

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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.