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Finding the Fourth Proportional to 7,903.56, 11,855.09 and 2,356.95

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Solution

The fourth proportional to 7,903.56, 11,855.09 and 2,356.95 is: 3,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.56 : 11,855.09 = 2,356.95 : x
  2. Step 2: Convert to fraction form
    7,903.56/11,855.09 = 2,356.95/x
  3. Step 3: Cross multiply
    7,903.56x = 11,855.09 × 2,356.95
  4. Step 4: Simplify right side
    7,903.56x = 27,941,842.59
  5. Step 5: Solve for x
    x = 27,941,842.59/7,903.56
  6. Step 6: Final answer
    x = 3,535.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.