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Finding the Fourth Proportional to 36,699.50, 55,037.12 and 14,199.74

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Solution

The fourth proportional to 36,699.50, 55,037.12 and 14,199.74 is: 21,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.50 : 55,037.12 = 14,199.74 : x
  2. Step 2: Convert to fraction form
    36,699.50/55,037.12 = 14,199.74/x
  3. Step 3: Cross multiply
    36,699.50x = 55,037.12 × 14,199.74
  4. Step 4: Simplify right side
    36,699.50x = 781,512,448.16
  5. Step 5: Solve for x
    x = 781,512,448.16/36,699.50
  6. Step 6: Final answer
    x = 21,294.91

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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.