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Finding the Fourth Proportional to 58,836.94, 88,292.94 and 21,393.42

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Solution

The fourth proportional to 58,836.94, 88,292.94 and 21,393.42 is: 32,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,836.94 : 88,292.94 = 21,393.42 : x
  2. Step 2: Convert to fraction form
    58,836.94/88,292.94 = 21,393.42/x
  3. Step 3: Cross multiply
    58,836.94x = 88,292.94 × 21,393.42
  4. Step 4: Simplify right side
    58,836.94x = 1,888,887,948.45
  5. Step 5: Solve for x
    x = 1,888,887,948.45/58,836.94
  6. Step 6: Final answer
    x = 32,103.78

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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.