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Finding the Fourth Proportional to 66,900.44, 92,323.62 and 36,688.52

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Solution

The fourth proportional to 66,900.44, 92,323.62 and 36,688.52 is: 50,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,900.44 : 92,323.62 = 36,688.52 : x
  2. Step 2: Convert to fraction form
    66,900.44/92,323.62 = 36,688.52/x
  3. Step 3: Cross multiply
    66,900.44x = 92,323.62 × 36,688.52
  4. Step 4: Simplify right side
    66,900.44x = 3,387,216,978.84
  5. Step 5: Solve for x
    x = 3,387,216,978.84/66,900.44
  6. Step 6: Final answer
    x = 50,630.71

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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.