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Finding the Fourth Proportional to 17,607.76, 26,420.94 and 7,753.90

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Solution

The fourth proportional to 17,607.76, 26,420.94 and 7,753.90 is: 11,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.76 : 26,420.94 = 7,753.90 : x
  2. Step 2: Convert to fraction form
    17,607.76/26,420.94 = 7,753.90/x
  3. Step 3: Cross multiply
    17,607.76x = 26,420.94 × 7,753.90
  4. Step 4: Simplify right side
    17,607.76x = 204,865,326.67
  5. Step 5: Solve for x
    x = 204,865,326.67/17,607.76
  6. Step 6: Final answer
    x = 11,634.95

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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.