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Finding the Fourth Proportional to 55,015.74, 82,492.47 and 17,566.98

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Solution

The fourth proportional to 55,015.74, 82,492.47 and 17,566.98 is: 26,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.74 : 82,492.47 = 17,566.98 : x
  2. Step 2: Convert to fraction form
    55,015.74/82,492.47 = 17,566.98/x
  3. Step 3: Cross multiply
    55,015.74x = 82,492.47 × 17,566.98
  4. Step 4: Simplify right side
    55,015.74x = 1,449,143,570.64
  5. Step 5: Solve for x
    x = 1,449,143,570.64/55,015.74
  6. Step 6: Final answer
    x = 26,340.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.