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Finding the Fourth Proportional to 24,417.70, 33,696.63 and 13,239.70

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Solution

The fourth proportional to 24,417.70, 33,696.63 and 13,239.70 is: 18,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,417.70 : 33,696.63 = 13,239.70 : x
  2. Step 2: Convert to fraction form
    24,417.70/33,696.63 = 13,239.70/x
  3. Step 3: Cross multiply
    24,417.70x = 33,696.63 × 13,239.70
  4. Step 4: Simplify right side
    24,417.70x = 446,133,414.75
  5. Step 5: Solve for x
    x = 446,133,414.75/24,417.70
  6. Step 6: Final answer
    x = 18,270.90

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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.