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Finding the Fourth Proportional to 17,884.54, 26,844.47 and 13,426.71

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Solution

The fourth proportional to 17,884.54, 26,844.47 and 13,426.71 is: 20,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.54 : 26,844.47 = 13,426.71 : x
  2. Step 2: Convert to fraction form
    17,884.54/26,844.47 = 13,426.71/x
  3. Step 3: Cross multiply
    17,884.54x = 26,844.47 × 13,426.71
  4. Step 4: Simplify right side
    17,884.54x = 360,432,913.79
  5. Step 5: Solve for x
    x = 360,432,913.79/17,884.54
  6. Step 6: Final answer
    x = 20,153.32

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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.