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Finding the Fourth Proportional to 58,010.48, 87,015.80 and 15,890.93

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Solution

The fourth proportional to 58,010.48, 87,015.80 and 15,890.93 is: 23,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,010.48 : 87,015.80 = 15,890.93 : x
  2. Step 2: Convert to fraction form
    58,010.48/87,015.80 = 15,890.93/x
  3. Step 3: Cross multiply
    58,010.48x = 87,015.80 × 15,890.93
  4. Step 4: Simplify right side
    58,010.48x = 1,382,761,828.27
  5. Step 5: Solve for x
    x = 1,382,761,828.27/58,010.48
  6. Step 6: Final answer
    x = 23,836.41

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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.