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Finding the Fourth Proportional to 67,866.97, 93,656.99 and 37,654.28

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Solution

The fourth proportional to 67,866.97, 93,656.99 and 37,654.28 is: 51,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,866.97 : 93,656.99 = 37,654.28 : x
  2. Step 2: Convert to fraction form
    67,866.97/93,656.99 = 37,654.28/x
  3. Step 3: Cross multiply
    67,866.97x = 93,656.99 × 37,654.28
  4. Step 4: Simplify right side
    67,866.97x = 3,526,586,525.42
  5. Step 5: Solve for x
    x = 3,526,586,525.42/67,866.97
  6. Step 6: Final answer
    x = 51,963.22

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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.