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Finding the Fourth Proportional to 7,535.52, 11,310.28 and 3,840.53

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Solution

The fourth proportional to 7,535.52, 11,310.28 and 3,840.53 is: 5,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.52 : 11,310.28 = 3,840.53 : x
  2. Step 2: Convert to fraction form
    7,535.52/11,310.28 = 3,840.53/x
  3. Step 3: Cross multiply
    7,535.52x = 11,310.28 × 3,840.53
  4. Step 4: Simplify right side
    7,535.52x = 43,437,403.50
  5. Step 5: Solve for x
    x = 43,437,403.50/7,535.52
  6. Step 6: Final answer
    x = 5,764.35

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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.