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Finding the Fourth Proportional to 58,806.96, 81,153.66 and 31,949.45

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Solution

The fourth proportional to 58,806.96, 81,153.66 and 31,949.45 is: 44,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,806.96 : 81,153.66 = 31,949.45 : x
  2. Step 2: Convert to fraction form
    58,806.96/81,153.66 = 31,949.45/x
  3. Step 3: Cross multiply
    58,806.96x = 81,153.66 × 31,949.45
  4. Step 4: Simplify right side
    58,806.96x = 2,592,814,802.49
  5. Step 5: Solve for x
    x = 2,592,814,802.49/58,806.96
  6. Step 6: Final answer
    x = 44,090.27

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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.