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Finding the Fourth Proportional to 10,672.79, 16,009.68 and 7,566.71

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Solution

The fourth proportional to 10,672.79, 16,009.68 and 7,566.71 is: 11,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.79 : 16,009.68 = 7,566.71 : x
  2. Step 2: Convert to fraction form
    10,672.79/16,009.68 = 7,566.71/x
  3. Step 3: Cross multiply
    10,672.79x = 16,009.68 × 7,566.71
  4. Step 4: Simplify right side
    10,672.79x = 121,140,605.75
  5. Step 5: Solve for x
    x = 121,140,605.75/10,672.79
  6. Step 6: Final answer
    x = 11,350.42

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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.