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Finding the Fourth Proportional to 86,684.52, 130,031.28 and 27,524.82

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Solution

The fourth proportional to 86,684.52, 130,031.28 and 27,524.82 is: 41,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,684.52 : 130,031.28 = 27,524.82 : x
  2. Step 2: Convert to fraction form
    86,684.52/130,031.28 = 27,524.82/x
  3. Step 3: Cross multiply
    86,684.52x = 130,031.28 × 27,524.82
  4. Step 4: Simplify right side
    86,684.52x = 3,579,087,576.37
  5. Step 5: Solve for x
    x = 3,579,087,576.37/86,684.52
  6. Step 6: Final answer
    x = 41,288.66

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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.