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Finding the Fourth Proportional to 16,334.64, 22,508.40 and 15,452.40

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Solution

The fourth proportional to 16,334.64, 22,508.40 and 15,452.40 is: 21,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,334.64 : 22,508.40 = 15,452.40 : x
  2. Step 2: Convert to fraction form
    16,334.64/22,508.40 = 15,452.40/x
  3. Step 3: Cross multiply
    16,334.64x = 22,508.40 × 15,452.40
  4. Step 4: Simplify right side
    16,334.64x = 347,808,800.16
  5. Step 5: Solve for x
    x = 347,808,800.16/16,334.64
  6. Step 6: Final answer
    x = 21,292.71

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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.