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Finding the Fourth Proportional to 62,605.66, 93,911.91 and 15,858.94

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Solution

The fourth proportional to 62,605.66, 93,911.91 and 15,858.94 is: 23,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.66 : 93,911.91 = 15,858.94 : x
  2. Step 2: Convert to fraction form
    62,605.66/93,911.91 = 15,858.94/x
  3. Step 3: Cross multiply
    62,605.66x = 93,911.91 × 15,858.94
  4. Step 4: Simplify right side
    62,605.66x = 1,489,343,345.98
  5. Step 5: Solve for x
    x = 1,489,343,345.98/62,605.66
  6. Step 6: Final answer
    x = 23,789.28

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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.