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Finding the Fourth Proportional to 67,816, 93,587.21 and 37,602.59

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Solution

The fourth proportional to 67,816, 93,587.21 and 37,602.59 is: 51,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,816 : 93,587.21 = 37,602.59 : x
  2. Step 2: Convert to fraction form
    67,816/93,587.21 = 37,602.59/x
  3. Step 3: Cross multiply
    67,816x = 93,587.21 × 37,602.59
  4. Step 4: Simplify right side
    67,816x = 3,519,121,486.87
  5. Step 5: Solve for x
    x = 3,519,121,486.87/67,816
  6. Step 6: Final answer
    x = 51,892.20

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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.