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Finding the Fourth Proportional to 7,559.15, 11,337.65 and 2,012

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Solution

The fourth proportional to 7,559.15, 11,337.65 and 2,012 is: 3,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.15 : 11,337.65 = 2,012 : x
  2. Step 2: Convert to fraction form
    7,559.15/11,337.65 = 2,012/x
  3. Step 3: Cross multiply
    7,559.15x = 11,337.65 × 2,012
  4. Step 4: Simplify right side
    7,559.15x = 22,811,341.74
  5. Step 5: Solve for x
    x = 22,811,341.74/7,559.15
  6. Step 6: Final answer
    x = 3,017.71

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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.