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Finding the Fourth Proportional to 66,588.17, 91,887.69 and 36,367.48

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Solution

The fourth proportional to 66,588.17, 91,887.69 and 36,367.48 is: 50,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,588.17 : 91,887.69 = 36,367.48 : x
  2. Step 2: Convert to fraction form
    66,588.17/91,887.69 = 36,367.48/x
  3. Step 3: Cross multiply
    66,588.17x = 91,887.69 × 36,367.48
  4. Step 4: Simplify right side
    66,588.17x = 3,341,723,658.92
  5. Step 5: Solve for x
    x = 3,341,723,658.92/66,588.17
  6. Step 6: Final answer
    x = 50,184.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.