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Finding the Fourth Proportional to 68,661.74, 94,704.26 and 63,014.69

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Solution

The fourth proportional to 68,661.74, 94,704.26 and 63,014.69 is: 86,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,661.74 : 94,704.26 = 63,014.69 : x
  2. Step 2: Convert to fraction form
    68,661.74/94,704.26 = 63,014.69/x
  3. Step 3: Cross multiply
    68,661.74x = 94,704.26 × 63,014.69
  4. Step 4: Simplify right side
    68,661.74x = 5,967,759,507.27
  5. Step 5: Solve for x
    x = 5,967,759,507.27/68,661.74
  6. Step 6: Final answer
    x = 86,915.35

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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.