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Finding the Fourth Proportional to 24,993.76, 34,491.36 and 13,663.32

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Solution

The fourth proportional to 24,993.76, 34,491.36 and 13,663.32 is: 18,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,993.76 : 34,491.36 = 13,663.32 : x
  2. Step 2: Convert to fraction form
    24,993.76/34,491.36 = 13,663.32/x
  3. Step 3: Cross multiply
    24,993.76x = 34,491.36 × 13,663.32
  4. Step 4: Simplify right side
    24,993.76x = 471,266,488.92
  5. Step 5: Solve for x
    x = 471,266,488.92/24,993.76
  6. Step 6: Final answer
    x = 18,855.37

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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.