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Finding the Fourth Proportional to 66,845.32, 92,242.54 and 36,624.63

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Solution

The fourth proportional to 66,845.32, 92,242.54 and 36,624.63 is: 50,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,845.32 : 92,242.54 = 36,624.63 : x
  2. Step 2: Convert to fraction form
    66,845.32/92,242.54 = 36,624.63/x
  3. Step 3: Cross multiply
    66,845.32x = 92,242.54 × 36,624.63
  4. Step 4: Simplify right side
    66,845.32x = 3,378,348,253.42
  5. Step 5: Solve for x
    x = 3,378,348,253.42/66,845.32
  6. Step 6: Final answer
    x = 50,539.79

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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.