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Finding the Fourth Proportional to 55,696.66, 76,887.88 and 35,288.92

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Solution

The fourth proportional to 55,696.66, 76,887.88 and 35,288.92 is: 48,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.66 : 76,887.88 = 35,288.92 : x
  2. Step 2: Convert to fraction form
    55,696.66/76,887.88 = 35,288.92/x
  3. Step 3: Cross multiply
    55,696.66x = 76,887.88 × 35,288.92
  4. Step 4: Simplify right side
    55,696.66x = 2,713,290,020.18
  5. Step 5: Solve for x
    x = 2,713,290,020.18/55,696.66
  6. Step 6: Final answer
    x = 48,715.49

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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.