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Finding the Fourth Proportional to 67,853.62, 93,643.74 and 37,648.66

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Solution

The fourth proportional to 67,853.62, 93,643.74 and 37,648.66 is: 51,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,853.62 : 93,643.74 = 37,648.66 : x
  2. Step 2: Convert to fraction form
    67,853.62/93,643.74 = 37,648.66/x
  3. Step 3: Cross multiply
    67,853.62x = 93,643.74 × 37,648.66
  4. Step 4: Simplify right side
    67,853.62x = 3,525,561,328.39
  5. Step 5: Solve for x
    x = 3,525,561,328.39/67,853.62
  6. Step 6: Final answer
    x = 51,958.34

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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.