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Finding the Fourth Proportional to 44,391.60, 61,203.24 and 31,659.30

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Solution

The fourth proportional to 44,391.60, 61,203.24 and 31,659.30 is: 43,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,391.60 : 61,203.24 = 31,659.30 : x
  2. Step 2: Convert to fraction form
    44,391.60/61,203.24 = 31,659.30/x
  3. Step 3: Cross multiply
    44,391.60x = 61,203.24 × 31,659.30
  4. Step 4: Simplify right side
    44,391.60x = 1,937,651,736.13
  5. Step 5: Solve for x
    x = 1,937,651,736.13/44,391.60
  6. Step 6: Final answer
    x = 43,649.06

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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.