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Finding the Fourth Proportional to 68,627.58, 94,698.06 and 38,414.58

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Solution

The fourth proportional to 68,627.58, 94,698.06 and 38,414.58 is: 53,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,627.58 : 94,698.06 = 38,414.58 : x
  2. Step 2: Convert to fraction form
    68,627.58/94,698.06 = 38,414.58/x
  3. Step 3: Cross multiply
    68,627.58x = 94,698.06 × 38,414.58
  4. Step 4: Simplify right side
    68,627.58x = 3,637,786,201.71
  5. Step 5: Solve for x
    x = 3,637,786,201.71/68,627.58
  6. Step 6: Final answer
    x = 53,007.64

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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.