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Finding the Fourth Proportional to 22,264.91, 33,409.65 and 12,409.74

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Solution

The fourth proportional to 22,264.91, 33,409.65 and 12,409.74 is: 18,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.91 : 33,409.65 = 12,409.74 : x
  2. Step 2: Convert to fraction form
    22,264.91/33,409.65 = 12,409.74/x
  3. Step 3: Cross multiply
    22,264.91x = 33,409.65 × 12,409.74
  4. Step 4: Simplify right side
    22,264.91x = 414,605,069.99
  5. Step 5: Solve for x
    x = 414,605,069.99/22,264.91
  6. Step 6: Final answer
    x = 18,621.46

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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.