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Finding the Fourth Proportional to 66,690.04, 92,034.60 and 36,473.56

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Solution

The fourth proportional to 66,690.04, 92,034.60 and 36,473.56 is: 50,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690.04 : 92,034.60 = 36,473.56 : x
  2. Step 2: Convert to fraction form
    66,690.04/92,034.60 = 36,473.56/x
  3. Step 3: Cross multiply
    66,690.04x = 92,034.60 × 36,473.56
  4. Step 4: Simplify right side
    66,690.04x = 3,356,829,505.18
  5. Step 5: Solve for x
    x = 3,356,829,505.18/66,690.04
  6. Step 6: Final answer
    x = 50,334.80

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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.