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Finding the Fourth Proportional to 66,885.63, 92,303.19 and 36,672.63

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Solution

The fourth proportional to 66,885.63, 92,303.19 and 36,672.63 is: 50,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.63 : 92,303.19 = 36,672.63 : x
  2. Step 2: Convert to fraction form
    66,885.63/92,303.19 = 36,672.63/x
  3. Step 3: Cross multiply
    66,885.63x = 92,303.19 × 36,672.63
  4. Step 4: Simplify right side
    66,885.63x = 3,385,000,734.69
  5. Step 5: Solve for x
    x = 3,385,000,734.69/66,885.63
  6. Step 6: Final answer
    x = 50,608.79

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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.