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Finding the Fourth Proportional to 66,801.69, 92,187.45 and 36,586.67

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Solution

The fourth proportional to 66,801.69, 92,187.45 and 36,586.67 is: 50,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,801.69 : 92,187.45 = 36,586.67 : x
  2. Step 2: Convert to fraction form
    66,801.69/92,187.45 = 36,586.67/x
  3. Step 3: Cross multiply
    66,801.69x = 92,187.45 × 36,586.67
  4. Step 4: Simplify right side
    66,801.69x = 3,372,831,350.35
  5. Step 5: Solve for x
    x = 3,372,831,350.35/66,801.69
  6. Step 6: Final answer
    x = 50,490.21

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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.