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Finding the Fourth Proportional to 59,780.82, 89,683.08 and 17,086.64

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Solution

The fourth proportional to 59,780.82, 89,683.08 and 17,086.64 is: 25,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,780.82 : 89,683.08 = 17,086.64 : x
  2. Step 2: Convert to fraction form
    59,780.82/89,683.08 = 17,086.64/x
  3. Step 3: Cross multiply
    59,780.82x = 89,683.08 × 17,086.64
  4. Step 4: Simplify right side
    59,780.82x = 1,532,382,502.05
  5. Step 5: Solve for x
    x = 1,532,382,502.05/59,780.82
  6. Step 6: Final answer
    x = 25,633.35

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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.