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Finding the Fourth Proportional to 48,853.80, 73,280.70 and 33,107.40

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Solution

The fourth proportional to 48,853.80, 73,280.70 and 33,107.40 is: 49,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,853.80 : 73,280.70 = 33,107.40 : x
  2. Step 2: Convert to fraction form
    48,853.80/73,280.70 = 33,107.40/x
  3. Step 3: Cross multiply
    48,853.80x = 73,280.70 × 33,107.40
  4. Step 4: Simplify right side
    48,853.80x = 2,426,133,447.18
  5. Step 5: Solve for x
    x = 2,426,133,447.18/48,853.80
  6. Step 6: Final answer
    x = 49,661.10

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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.