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Finding the Fourth Proportional to 70,905.50, 106,302.05 and 35,347.44

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Solution

The fourth proportional to 70,905.50, 106,302.05 and 35,347.44 is: 52,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.50 : 106,302.05 = 35,347.44 : x
  2. Step 2: Convert to fraction form
    70,905.50/106,302.05 = 35,347.44/x
  3. Step 3: Cross multiply
    70,905.50x = 106,302.05 × 35,347.44
  4. Step 4: Simplify right side
    70,905.50x = 3,757,505,334.25
  5. Step 5: Solve for x
    x = 3,757,505,334.25/70,905.50
  6. Step 6: Final answer
    x = 52,993.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.