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Finding the Fourth Proportional to 36,709.68, 55,064.55 and 9,007.68

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Solution

The fourth proportional to 36,709.68, 55,064.55 and 9,007.68 is: 13,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709.68 : 55,064.55 = 9,007.68 : x
  2. Step 2: Convert to fraction form
    36,709.68/55,064.55 = 9,007.68/x
  3. Step 3: Cross multiply
    36,709.68x = 55,064.55 × 9,007.68
  4. Step 4: Simplify right side
    36,709.68x = 496,003,845.74
  5. Step 5: Solve for x
    x = 496,003,845.74/36,709.68
  6. Step 6: Final answer
    x = 13,511.53

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1.5x scale

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.