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Finding the Fourth Proportional to 86,894.88, 130,339.56 and 27,734.16

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Solution

The fourth proportional to 86,894.88, 130,339.56 and 27,734.16 is: 41,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,894.88 : 130,339.56 = 27,734.16 : x
  2. Step 2: Convert to fraction form
    86,894.88/130,339.56 = 27,734.16/x
  3. Step 3: Cross multiply
    86,894.88x = 130,339.56 × 27,734.16
  4. Step 4: Simplify right side
    86,894.88x = 3,614,858,211.37
  5. Step 5: Solve for x
    x = 3,614,858,211.37/86,894.88
  6. Step 6: Final answer
    x = 41,600.36

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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.