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Finding the Fourth Proportional to 27,224.88, 40,836.84 and 15,513.12

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Solution

The fourth proportional to 27,224.88, 40,836.84 and 15,513.12 is: 23,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,224.88 : 40,836.84 = 15,513.12 : x
  2. Step 2: Convert to fraction form
    27,224.88/40,836.84 = 15,513.12/x
  3. Step 3: Cross multiply
    27,224.88x = 40,836.84 × 15,513.12
  4. Step 4: Simplify right side
    27,224.88x = 633,506,799.34
  5. Step 5: Solve for x
    x = 633,506,799.34/27,224.88
  6. Step 6: Final answer
    x = 23,269.41

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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.