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Finding the Fourth Proportional to 52,958.88, 79,449.26 and 15,520.17

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Solution

The fourth proportional to 52,958.88, 79,449.26 and 15,520.17 is: 23,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.88 : 79,449.26 = 15,520.17 : x
  2. Step 2: Convert to fraction form
    52,958.88/79,449.26 = 15,520.17/x
  3. Step 3: Cross multiply
    52,958.88x = 79,449.26 × 15,520.17
  4. Step 4: Simplify right side
    52,958.88x = 1,233,066,021.57
  5. Step 5: Solve for x
    x = 1,233,066,021.57/52,958.88
  6. Step 6: Final answer
    x = 23,283.46

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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.