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Finding the Fourth Proportional to 15,323.40, 22,985.10 and 15,226.20

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Solution

The fourth proportional to 15,323.40, 22,985.10 and 15,226.20 is: 22,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.40 : 22,985.10 = 15,226.20 : x
  2. Step 2: Convert to fraction form
    15,323.40/22,985.10 = 15,226.20/x
  3. Step 3: Cross multiply
    15,323.40x = 22,985.10 × 15,226.20
  4. Step 4: Simplify right side
    15,323.40x = 349,975,729.62
  5. Step 5: Solve for x
    x = 349,975,729.62/15,323.40
  6. Step 6: Final answer
    x = 22,839.30

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