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Finding the Fourth Proportional to 16,913.61, 25,364.16 and 5,817.24

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Solution

The fourth proportional to 16,913.61, 25,364.16 and 5,817.24 is: 8,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.61 : 25,364.16 = 5,817.24 : x
  2. Step 2: Convert to fraction form
    16,913.61/25,364.16 = 5,817.24/x
  3. Step 3: Cross multiply
    16,913.61x = 25,364.16 × 5,817.24
  4. Step 4: Simplify right side
    16,913.61x = 147,549,406.12
  5. Step 5: Solve for x
    x = 147,549,406.12/16,913.61
  6. Step 6: Final answer
    x = 8,723.71

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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.