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Finding the Fourth Proportional to 66,923.40, 92,355.46 and 36,711.56

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Solution

The fourth proportional to 66,923.40, 92,355.46 and 36,711.56 is: 50,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.40 : 92,355.46 = 36,711.56 : x
  2. Step 2: Convert to fraction form
    66,923.40/92,355.46 = 36,711.56/x
  3. Step 3: Cross multiply
    66,923.40x = 92,355.46 × 36,711.56
  4. Step 4: Simplify right side
    66,923.40x = 3,390,513,011.12
  5. Step 5: Solve for x
    x = 3,390,513,011.12/66,923.40
  6. Step 6: Final answer
    x = 50,662.59

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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.