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Finding the Fourth Proportional to 52,750.88, 79,135.32 and 19,471.12

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Solution

The fourth proportional to 52,750.88, 79,135.32 and 19,471.12 is: 29,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.88 : 79,135.32 = 19,471.12 : x
  2. Step 2: Convert to fraction form
    52,750.88/79,135.32 = 19,471.12/x
  3. Step 3: Cross multiply
    52,750.88x = 79,135.32 × 19,471.12
  4. Step 4: Simplify right side
    52,750.88x = 1,540,853,187.14
  5. Step 5: Solve for x
    x = 1,540,853,187.14/52,750.88
  6. Step 6: Final answer
    x = 29,210.00

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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.