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Finding the Fourth Proportional to 60,981.87, 84,150.91 and 33,756.11

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Solution

The fourth proportional to 60,981.87, 84,150.91 and 33,756.11 is: 46,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,981.87 : 84,150.91 = 33,756.11 : x
  2. Step 2: Convert to fraction form
    60,981.87/84,150.91 = 33,756.11/x
  3. Step 3: Cross multiply
    60,981.87x = 84,150.91 × 33,756.11
  4. Step 4: Simplify right side
    60,981.87x = 2,840,606,995.40
  5. Step 5: Solve for x
    x = 2,840,606,995.40/60,981.87
  6. Step 6: Final answer
    x = 46,581.18

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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.