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Finding the Fourth Proportional to 67,862.31, 93,650.09 and 37,647.63

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Solution

The fourth proportional to 67,862.31, 93,650.09 and 37,647.63 is: 51,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,862.31 : 93,650.09 = 37,647.63 : x
  2. Step 2: Convert to fraction form
    67,862.31/93,650.09 = 37,647.63/x
  3. Step 3: Cross multiply
    67,862.31x = 93,650.09 × 37,647.63
  4. Step 4: Simplify right side
    67,862.31x = 3,525,703,937.79
  5. Step 5: Solve for x
    x = 3,525,703,937.79/67,862.31
  6. Step 6: Final answer
    x = 51,953.79

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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.