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Finding the Fourth Proportional to 10,920.94, 15,070.91 and 5,952.94

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Solution

The fourth proportional to 10,920.94, 15,070.91 and 5,952.94 is: 8,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.94 : 15,070.91 = 5,952.94 : x
  2. Step 2: Convert to fraction form
    10,920.94/15,070.91 = 5,952.94/x
  3. Step 3: Cross multiply
    10,920.94x = 15,070.91 × 5,952.94
  4. Step 4: Simplify right side
    10,920.94x = 89,716,155.53
  5. Step 5: Solve for x
    x = 89,716,155.53/10,920.94
  6. Step 6: Final answer
    x = 8,215.06

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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.