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Finding the Fourth Proportional to 68,047.14, 93,899.72 and 37,830.63

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Solution

The fourth proportional to 68,047.14, 93,899.72 and 37,830.63 is: 52,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.14 : 93,899.72 = 37,830.63 : x
  2. Step 2: Convert to fraction form
    68,047.14/93,899.72 = 37,830.63/x
  3. Step 3: Cross multiply
    68,047.14x = 93,899.72 × 37,830.63
  4. Step 4: Simplify right side
    68,047.14x = 3,552,285,375.27
  5. Step 5: Solve for x
    x = 3,552,285,375.27/68,047.14
  6. Step 6: Final answer
    x = 52,203.30

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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.