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Finding the Fourth Proportional to 15,200.61, 22,800.78 and 6,434.25

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Solution

The fourth proportional to 15,200.61, 22,800.78 and 6,434.25 is: 9,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.61 : 22,800.78 = 6,434.25 : x
  2. Step 2: Convert to fraction form
    15,200.61/22,800.78 = 6,434.25/x
  3. Step 3: Cross multiply
    15,200.61x = 22,800.78 × 6,434.25
  4. Step 4: Simplify right side
    15,200.61x = 146,705,918.72
  5. Step 5: Solve for x
    x = 146,705,918.72/15,200.61
  6. Step 6: Final answer
    x = 9,651.32

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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.