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Finding the Fourth Proportional to 22,793.76, 31,440.03 and 19,804.47

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Solution

The fourth proportional to 22,793.76, 31,440.03 and 19,804.47 is: 27,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.76 : 31,440.03 = 19,804.47 : x
  2. Step 2: Convert to fraction form
    22,793.76/31,440.03 = 19,804.47/x
  3. Step 3: Cross multiply
    22,793.76x = 31,440.03 × 19,804.47
  4. Step 4: Simplify right side
    22,793.76x = 622,653,130.93
  5. Step 5: Solve for x
    x = 622,653,130.93/22,793.76
  6. Step 6: Final answer
    x = 27,316.82

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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.