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Finding the Fourth Proportional to 48,846.80, 73,270.20 and 40,973.60

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Solution

The fourth proportional to 48,846.80, 73,270.20 and 40,973.60 is: 61,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846.80 : 73,270.20 = 40,973.60 : x
  2. Step 2: Convert to fraction form
    48,846.80/73,270.20 = 40,973.60/x
  3. Step 3: Cross multiply
    48,846.80x = 73,270.20 × 40,973.60
  4. Step 4: Simplify right side
    48,846.80x = 3,002,143,866.72
  5. Step 5: Solve for x
    x = 3,002,143,866.72/48,846.80
  6. Step 6: Final answer
    x = 61,460.40

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1.5x scale

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.