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Finding the Fourth Proportional to 68,200.02, 94,115.93 and 37,987.97

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Solution

The fourth proportional to 68,200.02, 94,115.93 and 37,987.97 is: 52,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,200.02 : 94,115.93 = 37,987.97 : x
  2. Step 2: Convert to fraction form
    68,200.02/94,115.93 = 37,987.97/x
  3. Step 3: Cross multiply
    68,200.02x = 94,115.93 × 37,987.97
  4. Step 4: Simplify right side
    68,200.02x = 3,575,272,464.84
  5. Step 5: Solve for x
    x = 3,575,272,464.84/68,200.02
  6. Step 6: Final answer
    x = 52,423.33

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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.