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Finding the Fourth Proportional to 59,381.80, 89,080.91 and 19,950.19

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Solution

The fourth proportional to 59,381.80, 89,080.91 and 19,950.19 is: 29,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,381.80 : 89,080.91 = 19,950.19 : x
  2. Step 2: Convert to fraction form
    59,381.80/89,080.91 = 19,950.19/x
  3. Step 3: Cross multiply
    59,381.80x = 89,080.91 × 19,950.19
  4. Step 4: Simplify right side
    59,381.80x = 1,777,181,202.82
  5. Step 5: Solve for x
    x = 1,777,181,202.82/59,381.80
  6. Step 6: Final answer
    x = 29,928.04

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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.