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Finding the Fourth Proportional to 44,355.40, 66,533.10 and 30,358.60

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Solution

The fourth proportional to 44,355.40, 66,533.10 and 30,358.60 is: 45,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,355.40 : 66,533.10 = 30,358.60 : x
  2. Step 2: Convert to fraction form
    44,355.40/66,533.10 = 30,358.60/x
  3. Step 3: Cross multiply
    44,355.40x = 66,533.10 × 30,358.60
  4. Step 4: Simplify right side
    44,355.40x = 2,019,851,769.66
  5. Step 5: Solve for x
    x = 2,019,851,769.66/44,355.40
  6. Step 6: Final answer
    x = 45,537.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.