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Finding the Fourth Proportional to 67,866.51, 93,647.26 and 37,643.99

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Solution

The fourth proportional to 67,866.51, 93,647.26 and 37,643.99 is: 51,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,866.51 : 93,647.26 = 37,643.99 : x
  2. Step 2: Convert to fraction form
    67,866.51/93,647.26 = 37,643.99/x
  3. Step 3: Cross multiply
    67,866.51x = 93,647.26 × 37,643.99
  4. Step 4: Simplify right side
    67,866.51x = 3,525,256,730.43
  5. Step 5: Solve for x
    x = 3,525,256,730.43/67,866.51
  6. Step 6: Final answer
    x = 51,943.98

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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.