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Finding the Fourth Proportional to 16,425.48, 22,816.10 and 16,171.10

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Solution

The fourth proportional to 16,425.48, 22,816.10 and 16,171.10 is: 22,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.48 : 22,816.10 = 16,171.10 : x
  2. Step 2: Convert to fraction form
    16,425.48/22,816.10 = 16,171.10/x
  3. Step 3: Cross multiply
    16,425.48x = 22,816.10 × 16,171.10
  4. Step 4: Simplify right side
    16,425.48x = 368,961,434.71
  5. Step 5: Solve for x
    x = 368,961,434.71/16,425.48
  6. Step 6: Final answer
    x = 22,462.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.