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Finding the Fourth Proportional to 3,339.81, 5,008.14 and 1,953.57

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Solution

The fourth proportional to 3,339.81, 5,008.14 and 1,953.57 is: 2,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.81 : 5,008.14 = 1,953.57 : x
  2. Step 2: Convert to fraction form
    3,339.81/5,008.14 = 1,953.57/x
  3. Step 3: Cross multiply
    3,339.81x = 5,008.14 × 1,953.57
  4. Step 4: Simplify right side
    3,339.81x = 9,783,752.06
  5. Step 5: Solve for x
    x = 9,783,752.06/3,339.81
  6. Step 6: Final answer
    x = 2,929.43

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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.