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Finding the Fourth Proportional to 48,309.30, 67,679.10 and 48,309.30

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Solution

The fourth proportional to 48,309.30, 67,679.10 and 48,309.30 is: 67,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309.30 : 67,679.10 = 48,309.30 : x
  2. Step 2: Convert to fraction form
    48,309.30/67,679.10 = 48,309.30/x
  3. Step 3: Cross multiply
    48,309.30x = 67,679.10 × 48,309.30
  4. Step 4: Simplify right side
    48,309.30x = 3,269,529,945.63
  5. Step 5: Solve for x
    x = 3,269,529,945.63/48,309.30
  6. Step 6: Final answer
    x = 67,679.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.