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Finding the Fourth Proportional to 4,628.88, 6,930.72 and 2,432.88

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Solution

The fourth proportional to 4,628.88, 6,930.72 and 2,432.88 is: 3,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.88 : 6,930.72 = 2,432.88 : x
  2. Step 2: Convert to fraction form
    4,628.88/6,930.72 = 2,432.88/x
  3. Step 3: Cross multiply
    4,628.88x = 6,930.72 × 2,432.88
  4. Step 4: Simplify right side
    4,628.88x = 16,861,610.07
  5. Step 5: Solve for x
    x = 16,861,610.07/4,628.88
  6. Step 6: Final answer
    x = 3,642.70

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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.