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Finding the Fourth Proportional to 25,202.40, 37,807.20 and 8,563.20

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Solution

The fourth proportional to 25,202.40, 37,807.20 and 8,563.20 is: 12,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.40 : 37,807.20 = 8,563.20 : x
  2. Step 2: Convert to fraction form
    25,202.40/37,807.20 = 8,563.20/x
  3. Step 3: Cross multiply
    25,202.40x = 37,807.20 × 8,563.20
  4. Step 4: Simplify right side
    25,202.40x = 323,750,615.04
  5. Step 5: Solve for x
    x = 323,750,615.04/25,202.40
  6. Step 6: Final answer
    x = 12,846.02

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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.