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Finding the Fourth Proportional to 68,189.25, 94,094.43 and 37,973.40

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Solution

The fourth proportional to 68,189.25, 94,094.43 and 37,973.40 is: 52,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.25 : 94,094.43 = 37,973.40 : x
  2. Step 2: Convert to fraction form
    68,189.25/94,094.43 = 37,973.40/x
  3. Step 3: Cross multiply
    68,189.25x = 94,094.43 × 37,973.40
  4. Step 4: Simplify right side
    68,189.25x = 3,573,085,428.16
  5. Step 5: Solve for x
    x = 3,573,085,428.16/68,189.25
  6. Step 6: Final answer
    x = 52,399.54

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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.