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Finding the Fourth Proportional to 16,673.92, 25,028.16 and 15,429.76

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Solution

The fourth proportional to 16,673.92, 25,028.16 and 15,429.76 is: 23,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.92 : 25,028.16 = 15,429.76 : x
  2. Step 2: Convert to fraction form
    16,673.92/25,028.16 = 15,429.76/x
  3. Step 3: Cross multiply
    16,673.92x = 25,028.16 × 15,429.76
  4. Step 4: Simplify right side
    16,673.92x = 386,178,502.04
  5. Step 5: Solve for x
    x = 386,178,502.04/16,673.92
  6. Step 6: Final answer
    x = 23,160.63

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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.