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Finding the Fourth Proportional to 22,703.52, 33,989.52 and 18,963.74

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Solution

The fourth proportional to 22,703.52, 33,989.52 and 18,963.74 is: 28,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.52 : 33,989.52 = 18,963.74 : x
  2. Step 2: Convert to fraction form
    22,703.52/33,989.52 = 18,963.74/x
  3. Step 3: Cross multiply
    22,703.52x = 33,989.52 × 18,963.74
  4. Step 4: Simplify right side
    22,703.52x = 644,568,420.00
  5. Step 5: Solve for x
    x = 644,568,420.00/22,703.52
  6. Step 6: Final answer
    x = 28,390.68

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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.