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Finding the Fourth Proportional to 11,094.83, 15,315.86 and 7,320.23

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Solution

The fourth proportional to 11,094.83, 15,315.86 and 7,320.23 is: 10,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,094.83 : 15,315.86 = 7,320.23 : x
  2. Step 2: Convert to fraction form
    11,094.83/15,315.86 = 7,320.23/x
  3. Step 3: Cross multiply
    11,094.83x = 15,315.86 × 7,320.23
  4. Step 4: Simplify right side
    11,094.83x = 112,115,617.85
  5. Step 5: Solve for x
    x = 112,115,617.85/11,094.83
  6. Step 6: Final answer
    x = 10,105.21

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