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Finding the Fourth Proportional to 67,873.66, 93,670.79 and 37,664.70

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Solution

The fourth proportional to 67,873.66, 93,670.79 and 37,664.70 is: 51,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,873.66 : 93,670.79 = 37,664.70 : x
  2. Step 2: Convert to fraction form
    67,873.66/93,670.79 = 37,664.70/x
  3. Step 3: Cross multiply
    67,873.66x = 93,670.79 × 37,664.70
  4. Step 4: Simplify right side
    67,873.66x = 3,528,082,204.11
  5. Step 5: Solve for x
    x = 3,528,082,204.11/67,873.66
  6. Step 6: Final answer
    x = 51,980.14

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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.