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Finding the Fourth Proportional to 68,275.64, 94,212.78 and 38,058.68

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Solution

The fourth proportional to 68,275.64, 94,212.78 and 38,058.68 is: 52,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,275.64 : 94,212.78 = 38,058.68 : x
  2. Step 2: Convert to fraction form
    68,275.64/94,212.78 = 38,058.68/x
  3. Step 3: Cross multiply
    68,275.64x = 94,212.78 × 38,058.68
  4. Step 4: Simplify right side
    68,275.64x = 3,585,614,045.93
  5. Step 5: Solve for x
    x = 3,585,614,045.93/68,275.64
  6. Step 6: Final answer
    x = 52,516.74

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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.