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Finding the Fourth Proportional to 11,057.01, 16,552.93 and 7,301.90

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Solution

The fourth proportional to 11,057.01, 16,552.93 and 7,301.90 is: 10,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.01 : 16,552.93 = 7,301.90 : x
  2. Step 2: Convert to fraction form
    11,057.01/16,552.93 = 7,301.90/x
  3. Step 3: Cross multiply
    11,057.01x = 16,552.93 × 7,301.90
  4. Step 4: Simplify right side
    11,057.01x = 120,867,803.81
  5. Step 5: Solve for x
    x = 120,867,803.81/11,057.01
  6. Step 6: Final answer
    x = 10,931.33

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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.