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Finding the Fourth Proportional to 7,885.90, 10,882.49 and 4,300.79

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Solution

The fourth proportional to 7,885.90, 10,882.49 and 4,300.79 is: 5,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.90 : 10,882.49 = 4,300.79 : x
  2. Step 2: Convert to fraction form
    7,885.90/10,882.49 = 4,300.79/x
  3. Step 3: Cross multiply
    7,885.90x = 10,882.49 × 4,300.79
  4. Step 4: Simplify right side
    7,885.90x = 46,803,280.83
  5. Step 5: Solve for x
    x = 46,803,280.83/7,885.90
  6. Step 6: Final answer
    x = 5,935.06

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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.