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Finding the Fourth Proportional to 36,599.76, 54,905.11 and 11,640.63

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Solution

The fourth proportional to 36,599.76, 54,905.11 and 11,640.63 is: 17,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,599.76 : 54,905.11 = 11,640.63 : x
  2. Step 2: Convert to fraction form
    36,599.76/54,905.11 = 11,640.63/x
  3. Step 3: Cross multiply
    36,599.76x = 54,905.11 × 11,640.63
  4. Step 4: Simplify right side
    36,599.76x = 639,130,070.62
  5. Step 5: Solve for x
    x = 639,130,070.62/36,599.76
  6. Step 6: Final answer
    x = 17,462.68

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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.