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Finding the Fourth Proportional to 52,659.88, 78,993.91 and 17,599.66

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Solution

The fourth proportional to 52,659.88, 78,993.91 and 17,599.66 is: 26,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,659.88 : 78,993.91 = 17,599.66 : x
  2. Step 2: Convert to fraction form
    52,659.88/78,993.91 = 17,599.66/x
  3. Step 3: Cross multiply
    52,659.88x = 78,993.91 × 17,599.66
  4. Step 4: Simplify right side
    52,659.88x = 1,390,265,958.07
  5. Step 5: Solve for x
    x = 1,390,265,958.07/52,659.88
  6. Step 6: Final answer
    x = 26,400.86

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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.