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Finding the Fourth Proportional to 12,301.92, 16,984.80 and 7,593.12

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Solution

The fourth proportional to 12,301.92, 16,984.80 and 7,593.12 is: 10,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.92 : 16,984.80 = 7,593.12 : x
  2. Step 2: Convert to fraction form
    12,301.92/16,984.80 = 7,593.12/x
  3. Step 3: Cross multiply
    12,301.92x = 16,984.80 × 7,593.12
  4. Step 4: Simplify right side
    12,301.92x = 128,967,624.58
  5. Step 5: Solve for x
    x = 128,967,624.58/12,301.92
  6. Step 6: Final answer
    x = 10,483.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.