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Finding the Fourth Proportional to 48,847.40, 73,271.10 and 47,551.40

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Solution

The fourth proportional to 48,847.40, 73,271.10 and 47,551.40 is: 71,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,847.40 : 73,271.10 = 47,551.40 : x
  2. Step 2: Convert to fraction form
    48,847.40/73,271.10 = 47,551.40/x
  3. Step 3: Cross multiply
    48,847.40x = 73,271.10 × 47,551.40
  4. Step 4: Simplify right side
    48,847.40x = 3,484,143,384.54
  5. Step 5: Solve for x
    x = 3,484,143,384.54/48,847.40
  6. Step 6: Final answer
    x = 71,327.10

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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.