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Finding the Fourth Proportional to 70,523.92, 97,323.03 and 38,692.81

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Solution

The fourth proportional to 70,523.92, 97,323.03 and 38,692.81 is: 53,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,523.92 : 97,323.03 = 38,692.81 : x
  2. Step 2: Convert to fraction form
    70,523.92/97,323.03 = 38,692.81/x
  3. Step 3: Cross multiply
    70,523.92x = 97,323.03 × 38,692.81
  4. Step 4: Simplify right side
    70,523.92x = 3,765,701,508.41
  5. Step 5: Solve for x
    x = 3,765,701,508.41/70,523.92
  6. Step 6: Final answer
    x = 53,396.09

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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.