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Finding the Fourth Proportional to 19,114.92, 28,620.54 and 16,603.92

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Solution

The fourth proportional to 19,114.92, 28,620.54 and 16,603.92 is: 24,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.92 : 28,620.54 = 16,603.92 : x
  2. Step 2: Convert to fraction form
    19,114.92/28,620.54 = 16,603.92/x
  3. Step 3: Cross multiply
    19,114.92x = 28,620.54 × 16,603.92
  4. Step 4: Simplify right side
    19,114.92x = 475,213,156.52
  5. Step 5: Solve for x
    x = 475,213,156.52/19,114.92
  6. Step 6: Final answer
    x = 24,860.85

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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.