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Finding the Fourth Proportional to 35,140.80, 52,663.20 and 22,622.40

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Solution

The fourth proportional to 35,140.80, 52,663.20 and 22,622.40 is: 33,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.80 : 52,663.20 = 22,622.40 : x
  2. Step 2: Convert to fraction form
    35,140.80/52,663.20 = 22,622.40/x
  3. Step 3: Cross multiply
    35,140.80x = 52,663.20 × 22,622.40
  4. Step 4: Simplify right side
    35,140.80x = 1,191,367,975.68
  5. Step 5: Solve for x
    x = 1,191,367,975.68/35,140.80
  6. Step 6: Final answer
    x = 33,902.70

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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.