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Finding the Fourth Proportional to 58,991.17, 81,407.93 and 35,118.67

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Solution

The fourth proportional to 58,991.17, 81,407.93 and 35,118.67 is: 48,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991.17 : 81,407.93 = 35,118.67 : x
  2. Step 2: Convert to fraction form
    58,991.17/81,407.93 = 35,118.67/x
  3. Step 3: Cross multiply
    58,991.17x = 81,407.93 × 35,118.67
  4. Step 4: Simplify right side
    58,991.17x = 2,858,938,053.46
  5. Step 5: Solve for x
    x = 2,858,938,053.46/58,991.17
  6. Step 6: Final answer
    x = 48,463.83

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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.