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Finding the Fourth Proportional to 6,885.92, 10,329.38 and 1,955.91

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Solution

The fourth proportional to 6,885.92, 10,329.38 and 1,955.91 is: 2,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.92 : 10,329.38 = 1,955.91 : x
  2. Step 2: Convert to fraction form
    6,885.92/10,329.38 = 1,955.91/x
  3. Step 3: Cross multiply
    6,885.92x = 10,329.38 × 1,955.91
  4. Step 4: Simplify right side
    6,885.92x = 20,203,327.86
  5. Step 5: Solve for x
    x = 20,203,327.86/6,885.92
  6. Step 6: Final answer
    x = 2,934.01

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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.