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Finding the Fourth Proportional to 15,066.95, 20,791.49 and 8,352.05

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Solution

The fourth proportional to 15,066.95, 20,791.49 and 8,352.05 is: 11,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.95 : 20,791.49 = 8,352.05 : x
  2. Step 2: Convert to fraction form
    15,066.95/20,791.49 = 8,352.05/x
  3. Step 3: Cross multiply
    15,066.95x = 20,791.49 × 8,352.05
  4. Step 4: Simplify right side
    15,066.95x = 173,651,418.34
  5. Step 5: Solve for x
    x = 173,651,418.34/15,066.95
  6. Step 6: Final answer
    x = 11,525.32

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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.