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Finding the Fourth Proportional to 58,989.66, 81,400.47 and 33,837.66

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Solution

The fourth proportional to 58,989.66, 81,400.47 and 33,837.66 is: 46,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.66 : 81,400.47 = 33,837.66 : x
  2. Step 2: Convert to fraction form
    58,989.66/81,400.47 = 33,837.66/x
  3. Step 3: Cross multiply
    58,989.66x = 81,400.47 × 33,837.66
  4. Step 4: Simplify right side
    58,989.66x = 2,754,401,427.70
  5. Step 5: Solve for x
    x = 2,754,401,427.70/58,989.66
  6. Step 6: Final answer
    x = 46,692.95

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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.