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Finding the Fourth Proportional to 55,889, 77,080.74 and 33,517.16

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Solution

The fourth proportional to 55,889, 77,080.74 and 33,517.16 is: 46,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889 : 77,080.74 = 33,517.16 : x
  2. Step 2: Convert to fraction form
    55,889/77,080.74 = 33,517.16/x
  3. Step 3: Cross multiply
    55,889x = 77,080.74 × 33,517.16
  4. Step 4: Simplify right side
    55,889x = 2,583,527,495.50
  5. Step 5: Solve for x
    x = 2,583,527,495.50/55,889
  6. Step 6: Final answer
    x = 46,226.05

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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.