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Finding the Fourth Proportional to 16,179.64, 24,248.94 and 7,285.48

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Solution

The fourth proportional to 16,179.64, 24,248.94 and 7,285.48 is: 10,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.64 : 24,248.94 = 7,285.48 : x
  2. Step 2: Convert to fraction form
    16,179.64/24,248.94 = 7,285.48/x
  3. Step 3: Cross multiply
    16,179.64x = 24,248.94 × 7,285.48
  4. Step 4: Simplify right side
    16,179.64x = 176,665,167.39
  5. Step 5: Solve for x
    x = 176,665,167.39/16,179.64
  6. Step 6: Final answer
    x = 10,918.98

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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.