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Finding the Fourth Proportional to 11,465.01, 17,223.95 and 10,992.15

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Solution

The fourth proportional to 11,465.01, 17,223.95 and 10,992.15 is: 16,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.01 : 17,223.95 = 10,992.15 : x
  2. Step 2: Convert to fraction form
    11,465.01/17,223.95 = 10,992.15/x
  3. Step 3: Cross multiply
    11,465.01x = 17,223.95 × 10,992.15
  4. Step 4: Simplify right side
    11,465.01x = 189,328,269.47
  5. Step 5: Solve for x
    x = 189,328,269.47/11,465.01
  6. Step 6: Final answer
    x = 16,513.57

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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.