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Finding the Fourth Proportional to 22,665.60, 34,030.80 and 17,740.80

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Solution

The fourth proportional to 22,665.60, 34,030.80 and 17,740.80 is: 26,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.60 : 34,030.80 = 17,740.80 : x
  2. Step 2: Convert to fraction form
    22,665.60/34,030.80 = 17,740.80/x
  3. Step 3: Cross multiply
    22,665.60x = 34,030.80 × 17,740.80
  4. Step 4: Simplify right side
    22,665.60x = 603,733,616.64
  5. Step 5: Solve for x
    x = 603,733,616.64/22,665.60
  6. Step 6: Final answer
    x = 26,636.56

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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.