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Finding the Fourth Proportional to 10,754.92, 16,135.62 and 8,897.64

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Solution

The fourth proportional to 10,754.92, 16,135.62 and 8,897.64 is: 13,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.92 : 16,135.62 = 8,897.64 : x
  2. Step 2: Convert to fraction form
    10,754.92/16,135.62 = 8,897.64/x
  3. Step 3: Cross multiply
    10,754.92x = 16,135.62 × 8,897.64
  4. Step 4: Simplify right side
    10,754.92x = 143,568,937.94
  5. Step 5: Solve for x
    x = 143,568,937.94/10,754.92
  6. Step 6: Final answer
    x = 13,349.14

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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.