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Finding the Fourth Proportional to 21,497.93, 32,234.44 and 8,334.89

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Solution

The fourth proportional to 21,497.93, 32,234.44 and 8,334.89 is: 12,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.93 : 32,234.44 = 8,334.89 : x
  2. Step 2: Convert to fraction form
    21,497.93/32,234.44 = 8,334.89/x
  3. Step 3: Cross multiply
    21,497.93x = 32,234.44 × 8,334.89
  4. Step 4: Simplify right side
    21,497.93x = 268,670,511.61
  5. Step 5: Solve for x
    x = 268,670,511.61/21,497.93
  6. Step 6: Final answer
    x = 12,497.51

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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.