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Finding the Fourth Proportional to 36,861.63, 55,292.82 and 9,159.63

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Solution

The fourth proportional to 36,861.63, 55,292.82 and 9,159.63 is: 13,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,861.63 : 55,292.82 = 9,159.63 : x
  2. Step 2: Convert to fraction form
    36,861.63/55,292.82 = 9,159.63/x
  3. Step 3: Cross multiply
    36,861.63x = 55,292.82 × 9,159.63
  4. Step 4: Simplify right side
    36,861.63x = 506,461,772.86
  5. Step 5: Solve for x
    x = 506,461,772.86/36,861.63
  6. Step 6: Final answer
    x = 13,739.54

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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.