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Finding the Fourth Proportional to 10,999.82, 16,468.28 and 7,294.68

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Solution

The fourth proportional to 10,999.82, 16,468.28 and 7,294.68 is: 10,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.82 : 16,468.28 = 7,294.68 : x
  2. Step 2: Convert to fraction form
    10,999.82/16,468.28 = 7,294.68/x
  3. Step 3: Cross multiply
    10,999.82x = 16,468.28 × 7,294.68
  4. Step 4: Simplify right side
    10,999.82x = 120,130,832.75
  5. Step 5: Solve for x
    x = 120,130,832.75/10,999.82
  6. Step 6: Final answer
    x = 10,921.16

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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.