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Finding the Fourth Proportional to 70,796.45, 97,701.03 and 38,967.30

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Solution

The fourth proportional to 70,796.45, 97,701.03 and 38,967.30 is: 53,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,796.45 : 97,701.03 = 38,967.30 : x
  2. Step 2: Convert to fraction form
    70,796.45/97,701.03 = 38,967.30/x
  3. Step 3: Cross multiply
    70,796.45x = 97,701.03 × 38,967.30
  4. Step 4: Simplify right side
    70,796.45x = 3,807,145,346.32
  5. Step 5: Solve for x
    x = 3,807,145,346.32/70,796.45
  6. Step 6: Final answer
    x = 53,775.94

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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.