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Finding the Fourth Proportional to 11,671.61, 17,500.34 and 4,652.69

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Solution

The fourth proportional to 11,671.61, 17,500.34 and 4,652.69 is: 6,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.61 : 17,500.34 = 4,652.69 : x
  2. Step 2: Convert to fraction form
    11,671.61/17,500.34 = 4,652.69/x
  3. Step 3: Cross multiply
    11,671.61x = 17,500.34 × 4,652.69
  4. Step 4: Simplify right side
    11,671.61x = 81,423,633.65
  5. Step 5: Solve for x
    x = 81,423,633.65/11,671.61
  6. Step 6: Final answer
    x = 6,976.21

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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.