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Finding the Fourth Proportional to 58,833.84, 88,231.86 and 19,380.36

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Solution

The fourth proportional to 58,833.84, 88,231.86 and 19,380.36 is: 29,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,833.84 : 88,231.86 = 19,380.36 : x
  2. Step 2: Convert to fraction form
    58,833.84/88,231.86 = 19,380.36/x
  3. Step 3: Cross multiply
    58,833.84x = 88,231.86 × 19,380.36
  4. Step 4: Simplify right side
    58,833.84x = 1,709,965,210.27
  5. Step 5: Solve for x
    x = 1,709,965,210.27/58,833.84
  6. Step 6: Final answer
    x = 29,064.31

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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.