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Finding the Fourth Proportional to 58,789.64, 88,194.54 and 19,357.94

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Solution

The fourth proportional to 58,789.64, 88,194.54 and 19,357.94 is: 29,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,789.64 : 88,194.54 = 19,357.94 : x
  2. Step 2: Convert to fraction form
    58,789.64/88,194.54 = 19,357.94/x
  3. Step 3: Cross multiply
    58,789.64x = 88,194.54 × 19,357.94
  4. Step 4: Simplify right side
    58,789.64x = 1,707,264,613.65
  5. Step 5: Solve for x
    x = 1,707,264,613.65/58,789.64
  6. Step 6: Final answer
    x = 29,040.23

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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.