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Finding the Fourth Proportional to 48,969.40, 73,454.10 and 12,033.40

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Solution

The fourth proportional to 48,969.40, 73,454.10 and 12,033.40 is: 18,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.40 : 73,454.10 = 12,033.40 : x
  2. Step 2: Convert to fraction form
    48,969.40/73,454.10 = 12,033.40/x
  3. Step 3: Cross multiply
    48,969.40x = 73,454.10 × 12,033.40
  4. Step 4: Simplify right side
    48,969.40x = 883,902,566.94
  5. Step 5: Solve for x
    x = 883,902,566.94/48,969.40
  6. Step 6: Final answer
    x = 18,050.10

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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.