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Finding the Fourth Proportional to 22,009.77, 30,373.39 and 11,938.17

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Solution

The fourth proportional to 22,009.77, 30,373.39 and 11,938.17 is: 16,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.77 : 30,373.39 = 11,938.17 : x
  2. Step 2: Convert to fraction form
    22,009.77/30,373.39 = 11,938.17/x
  3. Step 3: Cross multiply
    22,009.77x = 30,373.39 × 11,938.17
  4. Step 4: Simplify right side
    22,009.77x = 362,602,693.30
  5. Step 5: Solve for x
    x = 362,602,693.30/22,009.77
  6. Step 6: Final answer
    x = 16,474.62

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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.