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Finding the Fourth Proportional to 67,376.80, 93,018 and 46,717.60

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Solution

The fourth proportional to 67,376.80, 93,018 and 46,717.60 is: 64,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376.80 : 93,018 = 46,717.60 : x
  2. Step 2: Convert to fraction form
    67,376.80/93,018 = 46,717.60/x
  3. Step 3: Cross multiply
    67,376.80x = 93,018 × 46,717.60
  4. Step 4: Simplify right side
    67,376.80x = 4,345,577,716.80
  5. Step 5: Solve for x
    x = 4,345,577,716.80/67,376.80
  6. Step 6: Final answer
    x = 64,496.65

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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.