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Finding the Fourth Proportional to 11,451.99, 15,804.14 and 10,927.11

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Solution

The fourth proportional to 11,451.99, 15,804.14 and 10,927.11 is: 15,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.99 : 15,804.14 = 10,927.11 : x
  2. Step 2: Convert to fraction form
    11,451.99/15,804.14 = 10,927.11/x
  3. Step 3: Cross multiply
    11,451.99x = 15,804.14 × 10,927.11
  4. Step 4: Simplify right side
    11,451.99x = 172,693,521.60
  5. Step 5: Solve for x
    x = 172,693,521.60/11,451.99
  6. Step 6: Final answer
    x = 15,079.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.