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Finding the Fourth Proportional to 66,194.65, 91,346.37 and 37,894.87

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Solution

The fourth proportional to 66,194.65, 91,346.37 and 37,894.87 is: 52,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.65 : 91,346.37 = 37,894.87 : x
  2. Step 2: Convert to fraction form
    66,194.65/91,346.37 = 37,894.87/x
  3. Step 3: Cross multiply
    66,194.65x = 91,346.37 × 37,894.87
  4. Step 4: Simplify right side
    66,194.65x = 3,461,558,788.20
  5. Step 5: Solve for x
    x = 3,461,558,788.20/66,194.65
  6. Step 6: Final answer
    x = 52,293.63

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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.