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Finding the Fourth Proportional to 22,422.88, 33,623.35 and 12,804.63

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Solution

The fourth proportional to 22,422.88, 33,623.35 and 12,804.63 is: 19,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.88 : 33,623.35 = 12,804.63 : x
  2. Step 2: Convert to fraction form
    22,422.88/33,623.35 = 12,804.63/x
  3. Step 3: Cross multiply
    22,422.88x = 33,623.35 × 12,804.63
  4. Step 4: Simplify right side
    22,422.88x = 430,534,659.17
  5. Step 5: Solve for x
    x = 430,534,659.17/22,422.88
  6. Step 6: Final answer
    x = 19,200.69

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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.