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Finding the Fourth Proportional to 16,465.11, 22,719.74 and 9,391.11

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Solution

The fourth proportional to 16,465.11, 22,719.74 and 9,391.11 is: 12,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,465.11 : 22,719.74 = 9,391.11 : x
  2. Step 2: Convert to fraction form
    16,465.11/22,719.74 = 9,391.11/x
  3. Step 3: Cross multiply
    16,465.11x = 22,719.74 × 9,391.11
  4. Step 4: Simplify right side
    16,465.11x = 213,363,530.56
  5. Step 5: Solve for x
    x = 213,363,530.56/16,465.11
  6. Step 6: Final answer
    x = 12,958.52

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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.