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Finding the Fourth Proportional to 68,071.62, 93,939.84 and 37,860.24

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Solution

The fourth proportional to 68,071.62, 93,939.84 and 37,860.24 is: 52,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,071.62 : 93,939.84 = 37,860.24 : x
  2. Step 2: Convert to fraction form
    68,071.62/93,939.84 = 37,860.24/x
  3. Step 3: Cross multiply
    68,071.62x = 93,939.84 × 37,860.24
  4. Step 4: Simplify right side
    68,071.62x = 3,556,584,887.96
  5. Step 5: Solve for x
    x = 3,556,584,887.96/68,071.62
  6. Step 6: Final answer
    x = 52,247.69

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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.