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Finding the Fourth Proportional to 30,603.67, 45,914.08 and 10,884.22

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Solution

The fourth proportional to 30,603.67, 45,914.08 and 10,884.22 is: 16,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.67 : 45,914.08 = 10,884.22 : x
  2. Step 2: Convert to fraction form
    30,603.67/45,914.08 = 10,884.22/x
  3. Step 3: Cross multiply
    30,603.67x = 45,914.08 × 10,884.22
  4. Step 4: Simplify right side
    30,603.67x = 499,738,920.61
  5. Step 5: Solve for x
    x = 499,738,920.61/30,603.67
  6. Step 6: Final answer
    x = 16,329.38

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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.