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Finding the Fourth Proportional to 64,323.58, 88,809.86 and 40,161.33

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Solution

The fourth proportional to 64,323.58, 88,809.86 and 40,161.33 is: 55,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,323.58 : 88,809.86 = 40,161.33 : x
  2. Step 2: Convert to fraction form
    64,323.58/88,809.86 = 40,161.33/x
  3. Step 3: Cross multiply
    64,323.58x = 88,809.86 × 40,161.33
  4. Step 4: Simplify right side
    64,323.58x = 3,566,722,245.32
  5. Step 5: Solve for x
    x = 3,566,722,245.32/64,323.58
  6. Step 6: Final answer
    x = 55,449.69

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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.