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Finding the Fourth Proportional to 16,649.32, 22,976.74 and 9,575.74

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Solution

The fourth proportional to 16,649.32, 22,976.74 and 9,575.74 is: 13,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.32 : 22,976.74 = 9,575.74 : x
  2. Step 2: Convert to fraction form
    16,649.32/22,976.74 = 9,575.74/x
  3. Step 3: Cross multiply
    16,649.32x = 22,976.74 × 9,575.74
  4. Step 4: Simplify right side
    16,649.32x = 220,019,288.29
  5. Step 5: Solve for x
    x = 220,019,288.29/16,649.32
  6. Step 6: Final answer
    x = 13,214.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.