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Finding the Fourth Proportional to 22,548.92, 31,129.92 and 16,881.62

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Solution

The fourth proportional to 22,548.92, 31,129.92 and 16,881.62 is: 23,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.92 : 31,129.92 = 16,881.62 : x
  2. Step 2: Convert to fraction form
    22,548.92/31,129.92 = 16,881.62/x
  3. Step 3: Cross multiply
    22,548.92x = 31,129.92 × 16,881.62
  4. Step 4: Simplify right side
    22,548.92x = 525,523,480.07
  5. Step 5: Solve for x
    x = 525,523,480.07/22,548.92
  6. Step 6: Final answer
    x = 23,305.93

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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.