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Finding the Fourth Proportional to 7,327.68, 10,992.01 and 2,945.13

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Solution

The fourth proportional to 7,327.68, 10,992.01 and 2,945.13 is: 4,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.68 : 10,992.01 = 2,945.13 : x
  2. Step 2: Convert to fraction form
    7,327.68/10,992.01 = 2,945.13/x
  3. Step 3: Cross multiply
    7,327.68x = 10,992.01 × 2,945.13
  4. Step 4: Simplify right side
    7,327.68x = 32,372,898.41
  5. Step 5: Solve for x
    x = 32,372,898.41/7,327.68
  6. Step 6: Final answer
    x = 4,417.89

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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.