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Finding the Fourth Proportional to 58,707.24, 81,016.24 and 31,849.95

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Solution

The fourth proportional to 58,707.24, 81,016.24 and 31,849.95 is: 43,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,707.24 : 81,016.24 = 31,849.95 : x
  2. Step 2: Convert to fraction form
    58,707.24/81,016.24 = 31,849.95/x
  3. Step 3: Cross multiply
    58,707.24x = 81,016.24 × 31,849.95
  4. Step 4: Simplify right side
    58,707.24x = 2,580,363,193.19
  5. Step 5: Solve for x
    x = 2,580,363,193.19/58,707.24
  6. Step 6: Final answer
    x = 43,953.07

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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.