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Finding the Fourth Proportional to 27,528.80, 41,260.80 and 14,374.40

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Solution

The fourth proportional to 27,528.80, 41,260.80 and 14,374.40 is: 21,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528.80 : 41,260.80 = 14,374.40 : x
  2. Step 2: Convert to fraction form
    27,528.80/41,260.80 = 14,374.40/x
  3. Step 3: Cross multiply
    27,528.80x = 41,260.80 × 14,374.40
  4. Step 4: Simplify right side
    27,528.80x = 593,099,243.52
  5. Step 5: Solve for x
    x = 593,099,243.52/27,528.80
  6. Step 6: Final answer
    x = 21,544.68

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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.