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Finding the Fourth Proportional to 11,043.38, 16,570.38 and 5,497.20

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Solution

The fourth proportional to 11,043.38, 16,570.38 and 5,497.20 is: 8,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.38 : 16,570.38 = 5,497.20 : x
  2. Step 2: Convert to fraction form
    11,043.38/16,570.38 = 5,497.20/x
  3. Step 3: Cross multiply
    11,043.38x = 16,570.38 × 5,497.20
  4. Step 4: Simplify right side
    11,043.38x = 91,090,755.07
  5. Step 5: Solve for x
    x = 91,090,755.07/11,043.38
  6. Step 6: Final answer
    x = 8,248.45

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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.