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Finding the Fourth Proportional to 22,446.84, 33,633.04 and 13,655.16

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Solution

The fourth proportional to 22,446.84, 33,633.04 and 13,655.16 is: 20,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.84 : 33,633.04 = 13,655.16 : x
  2. Step 2: Convert to fraction form
    22,446.84/33,633.04 = 13,655.16/x
  3. Step 3: Cross multiply
    22,446.84x = 33,633.04 × 13,655.16
  4. Step 4: Simplify right side
    22,446.84x = 459,264,542.49
  5. Step 5: Solve for x
    x = 459,264,542.49/22,446.84
  6. Step 6: Final answer
    x = 20,460.10

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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.