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Finding the Fourth Proportional to 43,643.68, 60,225.60 and 25,739.44

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Solution

The fourth proportional to 43,643.68, 60,225.60 and 25,739.44 is: 35,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.68 : 60,225.60 = 25,739.44 : x
  2. Step 2: Convert to fraction form
    43,643.68/60,225.60 = 25,739.44/x
  3. Step 3: Cross multiply
    43,643.68x = 60,225.60 × 25,739.44
  4. Step 4: Simplify right side
    43,643.68x = 1,550,173,217.66
  5. Step 5: Solve for x
    x = 1,550,173,217.66/43,643.68
  6. Step 6: Final answer
    x = 35,518.85

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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.