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Finding the Fourth Proportional to 54,395.40, 81,591.04 and 14,951.49

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Solution

The fourth proportional to 54,395.40, 81,591.04 and 14,951.49 is: 22,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395.40 : 81,591.04 = 14,951.49 : x
  2. Step 2: Convert to fraction form
    54,395.40/81,591.04 = 14,951.49/x
  3. Step 3: Cross multiply
    54,395.40x = 81,591.04 × 14,951.49
  4. Step 4: Simplify right side
    54,395.40x = 1,219,907,618.65
  5. Step 5: Solve for x
    x = 1,219,907,618.65/54,395.40
  6. Step 6: Final answer
    x = 22,426.67

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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.