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Finding the Fourth Proportional to 16,601.70, 24,902.55 and 15,629.70

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Solution

The fourth proportional to 16,601.70, 24,902.55 and 15,629.70 is: 23,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.70 : 24,902.55 = 15,629.70 : x
  2. Step 2: Convert to fraction form
    16,601.70/24,902.55 = 15,629.70/x
  3. Step 3: Cross multiply
    16,601.70x = 24,902.55 × 15,629.70
  4. Step 4: Simplify right side
    16,601.70x = 389,219,385.74
  5. Step 5: Solve for x
    x = 389,219,385.74/16,601.70
  6. Step 6: Final answer
    x = 23,444.55

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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.