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Finding the Fourth Proportional to 17,491.70, 24,138.54 and 9,533.90

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Solution

The fourth proportional to 17,491.70, 24,138.54 and 9,533.90 is: 13,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,491.70 : 24,138.54 = 9,533.90 : x
  2. Step 2: Convert to fraction form
    17,491.70/24,138.54 = 9,533.90/x
  3. Step 3: Cross multiply
    17,491.70x = 24,138.54 × 9,533.90
  4. Step 4: Simplify right side
    17,491.70x = 230,134,305.81
  5. Step 5: Solve for x
    x = 230,134,305.81/17,491.70
  6. Step 6: Final answer
    x = 13,156.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.