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Finding the Fourth Proportional to 58,104.01, 87,145.97 and 15,409.73

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Solution

The fourth proportional to 58,104.01, 87,145.97 and 15,409.73 is: 23,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,104.01 : 87,145.97 = 15,409.73 : x
  2. Step 2: Convert to fraction form
    58,104.01/87,145.97 = 15,409.73/x
  3. Step 3: Cross multiply
    58,104.01x = 87,145.97 × 15,409.73
  4. Step 4: Simplify right side
    58,104.01x = 1,342,895,868.29
  5. Step 5: Solve for x
    x = 1,342,895,868.29/58,104.01
  6. Step 6: Final answer
    x = 23,111.93

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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.