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Finding the Fourth Proportional to 8,603.84, 12,907.10 and 3,673.52

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Solution

The fourth proportional to 8,603.84, 12,907.10 and 3,673.52 is: 5,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.84 : 12,907.10 = 3,673.52 : x
  2. Step 2: Convert to fraction form
    8,603.84/12,907.10 = 3,673.52/x
  3. Step 3: Cross multiply
    8,603.84x = 12,907.10 × 3,673.52
  4. Step 4: Simplify right side
    8,603.84x = 47,414,489.99
  5. Step 5: Solve for x
    x = 47,414,489.99/8,603.84
  6. Step 6: Final answer
    x = 5,510.85

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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.