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Finding the Fourth Proportional to 66,803.58, 92,187.90 and 36,588.69

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Solution

The fourth proportional to 66,803.58, 92,187.90 and 36,588.69 is: 50,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.58 : 92,187.90 = 36,588.69 : x
  2. Step 2: Convert to fraction form
    66,803.58/92,187.90 = 36,588.69/x
  3. Step 3: Cross multiply
    66,803.58x = 92,187.90 × 36,588.69
  4. Step 4: Simplify right side
    66,803.58x = 3,373,034,494.85
  5. Step 5: Solve for x
    x = 3,373,034,494.85/66,803.58
  6. Step 6: Final answer
    x = 50,491.82

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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.