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Finding the Fourth Proportional to 16,455.17, 24,684.81 and 5,358.88

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Solution

The fourth proportional to 16,455.17, 24,684.81 and 5,358.88 is: 8,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.17 : 24,684.81 = 5,358.88 : x
  2. Step 2: Convert to fraction form
    16,455.17/24,684.81 = 5,358.88/x
  3. Step 3: Cross multiply
    16,455.17x = 24,684.81 × 5,358.88
  4. Step 4: Simplify right side
    16,455.17x = 132,282,945.37
  5. Step 5: Solve for x
    x = 132,282,945.37/16,455.17
  6. Step 6: Final answer
    x = 8,038.99

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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.