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Finding the Fourth Proportional to 53,958.30, 80,913.15 and 24,360.90

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Solution

The fourth proportional to 53,958.30, 80,913.15 and 24,360.90 is: 36,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,958.30 : 80,913.15 = 24,360.90 : x
  2. Step 2: Convert to fraction form
    53,958.30/80,913.15 = 24,360.90/x
  3. Step 3: Cross multiply
    53,958.30x = 80,913.15 × 24,360.90
  4. Step 4: Simplify right side
    53,958.30x = 1,971,117,155.84
  5. Step 5: Solve for x
    x = 1,971,117,155.84/53,958.30
  6. Step 6: Final answer
    x = 36,530.38

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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.