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Finding the Fourth Proportional to 10,679.76, 16,017.06 and 4,753.44

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Solution

The fourth proportional to 10,679.76, 16,017.06 and 4,753.44 is: 7,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.76 : 16,017.06 = 4,753.44 : x
  2. Step 2: Convert to fraction form
    10,679.76/16,017.06 = 4,753.44/x
  3. Step 3: Cross multiply
    10,679.76x = 16,017.06 × 4,753.44
  4. Step 4: Simplify right side
    10,679.76x = 76,136,133.69
  5. Step 5: Solve for x
    x = 76,136,133.69/10,679.76
  6. Step 6: Final answer
    x = 7,129.01

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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.