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Finding the Fourth Proportional to 59,955.60, 89,965.80 and 26,680.80

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Solution

The fourth proportional to 59,955.60, 89,965.80 and 26,680.80 is: 40,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,955.60 : 89,965.80 = 26,680.80 : x
  2. Step 2: Convert to fraction form
    59,955.60/89,965.80 = 26,680.80/x
  3. Step 3: Cross multiply
    59,955.60x = 89,965.80 × 26,680.80
  4. Step 4: Simplify right side
    59,955.60x = 2,400,359,516.64
  5. Step 5: Solve for x
    x = 2,400,359,516.64/59,955.60
  6. Step 6: Final answer
    x = 40,035.62

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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.