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Finding the Fourth Proportional to 58,762.69, 81,092.05 and 31,904.66

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Solution

The fourth proportional to 58,762.69, 81,092.05 and 31,904.66 is: 44,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,762.69 : 81,092.05 = 31,904.66 : x
  2. Step 2: Convert to fraction form
    58,762.69/81,092.05 = 31,904.66/x
  3. Step 3: Cross multiply
    58,762.69x = 81,092.05 × 31,904.66
  4. Step 4: Simplify right side
    58,762.69x = 2,587,214,283.95
  5. Step 5: Solve for x
    x = 2,587,214,283.95/58,762.69
  6. Step 6: Final answer
    x = 44,028.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.