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Finding the Fourth Proportional to 59,680.82, 89,527.08 and 21,740.40

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Solution

The fourth proportional to 59,680.82, 89,527.08 and 21,740.40 is: 32,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,680.82 : 89,527.08 = 21,740.40 : x
  2. Step 2: Convert to fraction form
    59,680.82/89,527.08 = 21,740.40/x
  3. Step 3: Cross multiply
    59,680.82x = 89,527.08 × 21,740.40
  4. Step 4: Simplify right side
    59,680.82x = 1,946,354,421.33
  5. Step 5: Solve for x
    x = 1,946,354,421.33/59,680.82
  6. Step 6: Final answer
    x = 32,612.73

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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.