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Finding the Fourth Proportional to 66,539.98, 91,823.71 and 36,324.14

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Solution

The fourth proportional to 66,539.98, 91,823.71 and 36,324.14 is: 50,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,539.98 : 91,823.71 = 36,324.14 : x
  2. Step 2: Convert to fraction form
    66,539.98/91,823.71 = 36,324.14/x
  3. Step 3: Cross multiply
    66,539.98x = 91,823.71 × 36,324.14
  4. Step 4: Simplify right side
    66,539.98x = 3,335,417,115.74
  5. Step 5: Solve for x
    x = 3,335,417,115.74/66,539.98
  6. Step 6: Final answer
    x = 50,126.52

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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.