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Finding the Fourth Proportional to 59,925.60, 89,920.80 and 26,650.80

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Solution

The fourth proportional to 59,925.60, 89,920.80 and 26,650.80 is: 39,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,925.60 : 89,920.80 = 26,650.80 : x
  2. Step 2: Convert to fraction form
    59,925.60/89,920.80 = 26,650.80/x
  3. Step 3: Cross multiply
    59,925.60x = 89,920.80 × 26,650.80
  4. Step 4: Simplify right side
    59,925.60x = 2,396,461,256.64
  5. Step 5: Solve for x
    x = 2,396,461,256.64/59,925.60
  6. Step 6: Final answer
    x = 39,990.61

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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.