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Finding the Fourth Proportional to 55,061.80, 82,592.62 and 15,619.24

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Solution

The fourth proportional to 55,061.80, 82,592.62 and 15,619.24 is: 23,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,061.80 : 82,592.62 = 15,619.24 : x
  2. Step 2: Convert to fraction form
    55,061.80/82,592.62 = 15,619.24/x
  3. Step 3: Cross multiply
    55,061.80x = 82,592.62 × 15,619.24
  4. Step 4: Simplify right side
    55,061.80x = 1,290,033,954.01
  5. Step 5: Solve for x
    x = 1,290,033,954.01/55,061.80
  6. Step 6: Final answer
    x = 23,428.84

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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.