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Finding the Fourth Proportional to 22,263.95, 30,724.23 and 12,327.95

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Solution

The fourth proportional to 22,263.95, 30,724.23 and 12,327.95 is: 17,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.95 : 30,724.23 = 12,327.95 : x
  2. Step 2: Convert to fraction form
    22,263.95/30,724.23 = 12,327.95/x
  3. Step 3: Cross multiply
    22,263.95x = 30,724.23 × 12,327.95
  4. Step 4: Simplify right side
    22,263.95x = 378,766,617.61
  5. Step 5: Solve for x
    x = 378,766,617.61/22,263.95
  6. Step 6: Final answer
    x = 17,012.56

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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.