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Finding the Fourth Proportional to 47,163.60, 65,080.80 and 25,941.60

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Solution

The fourth proportional to 47,163.60, 65,080.80 and 25,941.60 is: 35,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,163.60 : 65,080.80 = 25,941.60 : x
  2. Step 2: Convert to fraction form
    47,163.60/65,080.80 = 25,941.60/x
  3. Step 3: Cross multiply
    47,163.60x = 65,080.80 × 25,941.60
  4. Step 4: Simplify right side
    47,163.60x = 1,688,300,081.28
  5. Step 5: Solve for x
    x = 1,688,300,081.28/47,163.60
  6. Step 6: Final answer
    x = 35,796.68

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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.