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Finding the Fourth Proportional to 67,853.57, 93,639.43 and 37,637.91

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Solution

The fourth proportional to 67,853.57, 93,639.43 and 37,637.91 is: 51,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,853.57 : 93,639.43 = 37,637.91 : x
  2. Step 2: Convert to fraction form
    67,853.57/93,639.43 = 37,637.91/x
  3. Step 3: Cross multiply
    67,853.57x = 93,639.43 × 37,637.91
  4. Step 4: Simplify right side
    67,853.57x = 3,524,392,438.79
  5. Step 5: Solve for x
    x = 3,524,392,438.79/67,853.57
  6. Step 6: Final answer
    x = 51,941.15

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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.