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Finding the Fourth Proportional to 16,618.60, 22,933.38 and 9,064.94

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Solution

The fourth proportional to 16,618.60, 22,933.38 and 9,064.94 is: 12,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.60 : 22,933.38 = 9,064.94 : x
  2. Step 2: Convert to fraction form
    16,618.60/22,933.38 = 9,064.94/x
  3. Step 3: Cross multiply
    16,618.60x = 22,933.38 × 9,064.94
  4. Step 4: Simplify right side
    16,618.60x = 207,889,713.70
  5. Step 5: Solve for x
    x = 207,889,713.70/16,618.60
  6. Step 6: Final answer
    x = 12,509.46

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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.