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Finding the Fourth Proportional to 66,168.54, 91,316.67 and 37,873.58

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Solution

The fourth proportional to 66,168.54, 91,316.67 and 37,873.58 is: 52,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168.54 : 91,316.67 = 37,873.58 : x
  2. Step 2: Convert to fraction form
    66,168.54/91,316.67 = 37,873.58/x
  3. Step 3: Cross multiply
    66,168.54x = 91,316.67 × 37,873.58
  4. Step 4: Simplify right side
    66,168.54x = 3,458,489,206.58
  5. Step 5: Solve for x
    x = 3,458,489,206.58/66,168.54
  6. Step 6: Final answer
    x = 52,267.88

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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.