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Finding the Fourth Proportional to 22,663.60, 33,966.54 and 12,808.38

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Solution

The fourth proportional to 22,663.60, 33,966.54 and 12,808.38 is: 19,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.60 : 33,966.54 = 12,808.38 : x
  2. Step 2: Convert to fraction form
    22,663.60/33,966.54 = 12,808.38/x
  3. Step 3: Cross multiply
    22,663.60x = 33,966.54 × 12,808.38
  4. Step 4: Simplify right side
    22,663.60x = 435,056,351.61
  5. Step 5: Solve for x
    x = 435,056,351.61/22,663.60
  6. Step 6: Final answer
    x = 19,196.26

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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.