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Finding the Fourth Proportional to 12,270.04, 16,932.45 and 7,234.45

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Solution

The fourth proportional to 12,270.04, 16,932.45 and 7,234.45 is: 9,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.04 : 16,932.45 = 7,234.45 : x
  2. Step 2: Convert to fraction form
    12,270.04/16,932.45 = 7,234.45/x
  3. Step 3: Cross multiply
    12,270.04x = 16,932.45 × 7,234.45
  4. Step 4: Simplify right side
    12,270.04x = 122,496,962.90
  5. Step 5: Solve for x
    x = 122,496,962.90/12,270.04
  6. Step 6: Final answer
    x = 9,983.42

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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.