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Finding the Fourth Proportional to 23,215.56, 34,825.06 and 8,424.56

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Solution

The fourth proportional to 23,215.56, 34,825.06 and 8,424.56 is: 12,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.56 : 34,825.06 = 8,424.56 : x
  2. Step 2: Convert to fraction form
    23,215.56/34,825.06 = 8,424.56/x
  3. Step 3: Cross multiply
    23,215.56x = 34,825.06 × 8,424.56
  4. Step 4: Simplify right side
    23,215.56x = 293,385,807.47
  5. Step 5: Solve for x
    x = 293,385,807.47/23,215.56
  6. Step 6: Final answer
    x = 12,637.46

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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.