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Finding the Fourth Proportional to 65,505.38, 90,412.00 and 41,627.39

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Solution

The fourth proportional to 65,505.38, 90,412.00 and 41,627.39 is: 57,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,505.38 : 90,412.00 = 41,627.39 : x
  2. Step 2: Convert to fraction form
    65,505.38/90,412.00 = 41,627.39/x
  3. Step 3: Cross multiply
    65,505.38x = 90,412.00 × 41,627.39
  4. Step 4: Simplify right side
    65,505.38x = 3,763,615,028.55
  5. Step 5: Solve for x
    x = 3,763,615,028.55/65,505.38
  6. Step 6: Final answer
    x = 57,455.06

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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.