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Finding the Fourth Proportional to 10,892.67, 16,340.69 and 4,652.70

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Solution

The fourth proportional to 10,892.67, 16,340.69 and 4,652.70 is: 6,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.67 : 16,340.69 = 4,652.70 : x
  2. Step 2: Convert to fraction form
    10,892.67/16,340.69 = 4,652.70/x
  3. Step 3: Cross multiply
    10,892.67x = 16,340.69 × 4,652.70
  4. Step 4: Simplify right side
    10,892.67x = 76,028,328.36
  5. Step 5: Solve for x
    x = 76,028,328.36/10,892.67
  6. Step 6: Final answer
    x = 6,979.77

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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.