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Finding the Fourth Proportional to 66,533.34, 91,812.80 and 37,850.30

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Solution

The fourth proportional to 66,533.34, 91,812.80 and 37,850.30 is: 52,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.34 : 91,812.80 = 37,850.30 : x
  2. Step 2: Convert to fraction form
    66,533.34/91,812.80 = 37,850.30/x
  3. Step 3: Cross multiply
    66,533.34x = 91,812.80 × 37,850.30
  4. Step 4: Simplify right side
    66,533.34x = 3,475,142,023.84
  5. Step 5: Solve for x
    x = 3,475,142,023.84/66,533.34
  6. Step 6: Final answer
    x = 52,231.59

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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.