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Finding the Fourth Proportional to 10,300.95, 14,215.82 and 5,764.14

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Solution

The fourth proportional to 10,300.95, 14,215.82 and 5,764.14 is: 7,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.95 : 14,215.82 = 5,764.14 : x
  2. Step 2: Convert to fraction form
    10,300.95/14,215.82 = 5,764.14/x
  3. Step 3: Cross multiply
    10,300.95x = 14,215.82 × 5,764.14
  4. Step 4: Simplify right side
    10,300.95x = 81,941,976.69
  5. Step 5: Solve for x
    x = 81,941,976.69/10,300.95
  6. Step 6: Final answer
    x = 7,954.80

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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.