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Finding the Fourth Proportional to 7,486.59, 11,232.48 and 2,559.70

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Solution

The fourth proportional to 7,486.59, 11,232.48 and 2,559.70 is: 3,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.59 : 11,232.48 = 2,559.70 : x
  2. Step 2: Convert to fraction form
    7,486.59/11,232.48 = 2,559.70/x
  3. Step 3: Cross multiply
    7,486.59x = 11,232.48 × 2,559.70
  4. Step 4: Simplify right side
    7,486.59x = 28,751,795.50
  5. Step 5: Solve for x
    x = 28,751,795.50/7,486.59
  6. Step 6: Final answer
    x = 3,840.44

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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.