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Finding the Fourth Proportional to 58,760.64, 88,151.90 and 19,319.31

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Solution

The fourth proportional to 58,760.64, 88,151.90 and 19,319.31 is: 28,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,760.64 : 88,151.90 = 19,319.31 : x
  2. Step 2: Convert to fraction form
    58,760.64/88,151.90 = 19,319.31/x
  3. Step 3: Cross multiply
    58,760.64x = 88,151.90 × 19,319.31
  4. Step 4: Simplify right side
    58,760.64x = 1,703,033,786.59
  5. Step 5: Solve for x
    x = 1,703,033,786.59/58,760.64
  6. Step 6: Final answer
    x = 28,982.56

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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.