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Finding the Fourth Proportional to 35,124.80, 52,639.20 and 22,606.40

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Solution

The fourth proportional to 35,124.80, 52,639.20 and 22,606.40 is: 33,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,124.80 : 52,639.20 = 22,606.40 : x
  2. Step 2: Convert to fraction form
    35,124.80/52,639.20 = 22,606.40/x
  3. Step 3: Cross multiply
    35,124.80x = 52,639.20 × 22,606.40
  4. Step 4: Simplify right side
    35,124.80x = 1,189,982,810.88
  5. Step 5: Solve for x
    x = 1,189,982,810.88/35,124.80
  6. Step 6: Final answer
    x = 33,878.71

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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.