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Finding the Fourth Proportional to 27,206.88, 40,809.84 and 15,495.12

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Solution

The fourth proportional to 27,206.88, 40,809.84 and 15,495.12 is: 23,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,206.88 : 40,809.84 = 15,495.12 : x
  2. Step 2: Convert to fraction form
    27,206.88/40,809.84 = 15,495.12/x
  3. Step 3: Cross multiply
    27,206.88x = 40,809.84 × 15,495.12
  4. Step 4: Simplify right side
    27,206.88x = 632,353,367.98
  5. Step 5: Solve for x
    x = 632,353,367.98/27,206.88
  6. Step 6: Final answer
    x = 23,242.41

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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.