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Finding the Fourth Proportional to 70,958.58, 97,918.82 and 44,100.40

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Solution

The fourth proportional to 70,958.58, 97,918.82 and 44,100.40 is: 60,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,958.58 : 97,918.82 = 44,100.40 : x
  2. Step 2: Convert to fraction form
    70,958.58/97,918.82 = 44,100.40/x
  3. Step 3: Cross multiply
    70,958.58x = 97,918.82 × 44,100.40
  4. Step 4: Simplify right side
    70,958.58x = 4,318,259,261.27
  5. Step 5: Solve for x
    x = 4,318,259,261.27/70,958.58
  6. Step 6: Final answer
    x = 60,856.05

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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.