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Finding the Fourth Proportional to 24,606.39, 33,956.81 and 13,428.39

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Solution

The fourth proportional to 24,606.39, 33,956.81 and 13,428.39 is: 18,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,606.39 : 33,956.81 = 13,428.39 : x
  2. Step 2: Convert to fraction form
    24,606.39/33,956.81 = 13,428.39/x
  3. Step 3: Cross multiply
    24,606.39x = 33,956.81 × 13,428.39
  4. Step 4: Simplify right side
    24,606.39x = 455,985,473.92
  5. Step 5: Solve for x
    x = 455,985,473.92/24,606.39
  6. Step 6: Final answer
    x = 18,531.18

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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.