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Finding the Fourth Proportional to 16,816.79, 25,224.95 and 5,731.20

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Solution

The fourth proportional to 16,816.79, 25,224.95 and 5,731.20 is: 8,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.79 : 25,224.95 = 5,731.20 : x
  2. Step 2: Convert to fraction form
    16,816.79/25,224.95 = 5,731.20/x
  3. Step 3: Cross multiply
    16,816.79x = 25,224.95 × 5,731.20
  4. Step 4: Simplify right side
    16,816.79x = 144,569,204.78
  5. Step 5: Solve for x
    x = 144,569,204.78/16,816.79
  6. Step 6: Final answer
    x = 8,596.72

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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.