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Finding the Fourth Proportional to 24,017.20, 35,978.04 and 18,798.64

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Solution

The fourth proportional to 24,017.20, 35,978.04 and 18,798.64 is: 28,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,017.20 : 35,978.04 = 18,798.64 : x
  2. Step 2: Convert to fraction form
    24,017.20/35,978.04 = 18,798.64/x
  3. Step 3: Cross multiply
    24,017.20x = 35,978.04 × 18,798.64
  4. Step 4: Simplify right side
    24,017.20x = 676,338,221.87
  5. Step 5: Solve for x
    x = 676,338,221.87/24,017.20
  6. Step 6: Final answer
    x = 28,160.58

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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.