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Finding the Fourth Proportional to 16,477.93, 24,716.95 and 5,385.69

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Solution

The fourth proportional to 16,477.93, 24,716.95 and 5,385.69 is: 8,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.93 : 24,716.95 = 5,385.69 : x
  2. Step 2: Convert to fraction form
    16,477.93/24,716.95 = 5,385.69/x
  3. Step 3: Cross multiply
    16,477.93x = 24,716.95 × 5,385.69
  4. Step 4: Simplify right side
    16,477.93x = 133,117,816.98
  5. Step 5: Solve for x
    x = 133,117,816.98/16,477.93
  6. Step 6: Final answer
    x = 8,078.55

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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.