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Finding the Fourth Proportional to 68,716.58, 103,074.88 and 24,332.72

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Solution

The fourth proportional to 68,716.58, 103,074.88 and 24,332.72 is: 36,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,716.58 : 103,074.88 = 24,332.72 : x
  2. Step 2: Convert to fraction form
    68,716.58/103,074.88 = 24,332.72/x
  3. Step 3: Cross multiply
    68,716.58x = 103,074.88 × 24,332.72
  4. Step 4: Simplify right side
    68,716.58x = 2,508,092,194.07
  5. Step 5: Solve for x
    x = 2,508,092,194.07/68,716.58
  6. Step 6: Final answer
    x = 36,499.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.