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Finding the Fourth Proportional to 35,509.11, 48,981.91 and 22,757.76

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Solution

The fourth proportional to 35,509.11, 48,981.91 and 22,757.76 is: 31,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.11 : 48,981.91 = 22,757.76 : x
  2. Step 2: Convert to fraction form
    35,509.11/48,981.91 = 22,757.76/x
  3. Step 3: Cross multiply
    35,509.11x = 48,981.91 × 22,757.76
  4. Step 4: Simplify right side
    35,509.11x = 1,114,718,552.12
  5. Step 5: Solve for x
    x = 1,114,718,552.12/35,509.11
  6. Step 6: Final answer
    x = 31,392.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.