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Finding the Fourth Proportional to 86,577.91, 129,814.30 and 33,924.31

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Solution

The fourth proportional to 86,577.91, 129,814.30 and 33,924.31 is: 50,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,577.91 : 129,814.30 = 33,924.31 : x
  2. Step 2: Convert to fraction form
    86,577.91/129,814.30 = 33,924.31/x
  3. Step 3: Cross multiply
    86,577.91x = 129,814.30 × 33,924.31
  4. Step 4: Simplify right side
    86,577.91x = 4,403,860,555.63
  5. Step 5: Solve for x
    x = 4,403,860,555.63/86,577.91
  6. Step 6: Final answer
    x = 50,865.87

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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.