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Finding the Fourth Proportional to 8,530.52, 12,795.80 and 2,374.52

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Solution

The fourth proportional to 8,530.52, 12,795.80 and 2,374.52 is: 3,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.52 : 12,795.80 = 2,374.52 : x
  2. Step 2: Convert to fraction form
    8,530.52/12,795.80 = 2,374.52/x
  3. Step 3: Cross multiply
    8,530.52x = 12,795.80 × 2,374.52
  4. Step 4: Simplify right side
    8,530.52x = 30,383,883.02
  5. Step 5: Solve for x
    x = 30,383,883.02/8,530.52
  6. Step 6: Final answer
    x = 3,561.79

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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.