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Finding the Fourth Proportional to 23,216.13, 34,824.15 and 8,424.99

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Solution

The fourth proportional to 23,216.13, 34,824.15 and 8,424.99 is: 12,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,216.13 : 34,824.15 = 8,424.99 : x
  2. Step 2: Convert to fraction form
    23,216.13/34,824.15 = 8,424.99/x
  3. Step 3: Cross multiply
    23,216.13x = 34,824.15 × 8,424.99
  4. Step 4: Simplify right side
    23,216.13x = 293,393,115.51
  5. Step 5: Solve for x
    x = 293,393,115.51/23,216.13
  6. Step 6: Final answer
    x = 12,637.47

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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.