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Finding the Fourth Proportional to 22,530.60, 33,767.10 and 10,818.60

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Solution

The fourth proportional to 22,530.60, 33,767.10 and 10,818.60 is: 16,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.60 : 33,767.10 = 10,818.60 : x
  2. Step 2: Convert to fraction form
    22,530.60/33,767.10 = 10,818.60/x
  3. Step 3: Cross multiply
    22,530.60x = 33,767.10 × 10,818.60
  4. Step 4: Simplify right side
    22,530.60x = 365,312,748.06
  5. Step 5: Solve for x
    x = 365,312,748.06/22,530.60
  6. Step 6: Final answer
    x = 16,214.07

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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.