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Finding the Fourth Proportional to 30,395.62, 45,603.96 and 10,676.98

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Solution

The fourth proportional to 30,395.62, 45,603.96 and 10,676.98 is: 16,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.62 : 45,603.96 = 10,676.98 : x
  2. Step 2: Convert to fraction form
    30,395.62/45,603.96 = 10,676.98/x
  3. Step 3: Cross multiply
    30,395.62x = 45,603.96 × 10,676.98
  4. Step 4: Simplify right side
    30,395.62x = 486,912,568.84
  5. Step 5: Solve for x
    x = 486,912,568.84/30,395.62
  6. Step 6: Final answer
    x = 16,019.17

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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.