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Finding the Fourth Proportional to 22,004.92, 30,365.22 and 12,444.76

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Solution

The fourth proportional to 22,004.92, 30,365.22 and 12,444.76 is: 17,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.92 : 30,365.22 = 12,444.76 : x
  2. Step 2: Convert to fraction form
    22,004.92/30,365.22 = 12,444.76/x
  3. Step 3: Cross multiply
    22,004.92x = 30,365.22 × 12,444.76
  4. Step 4: Simplify right side
    22,004.92x = 377,887,875.25
  5. Step 5: Solve for x
    x = 377,887,875.25/22,004.92
  6. Step 6: Final answer
    x = 17,172.88

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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.