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Finding the Fourth Proportional to 70,336.35, 97,066.35 and 38,508.21

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Solution

The fourth proportional to 70,336.35, 97,066.35 and 38,508.21 is: 53,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,336.35 : 97,066.35 = 38,508.21 : x
  2. Step 2: Convert to fraction form
    70,336.35/97,066.35 = 38,508.21/x
  3. Step 3: Cross multiply
    70,336.35x = 97,066.35 × 38,508.21
  4. Step 4: Simplify right side
    70,336.35x = 3,737,851,389.73
  5. Step 5: Solve for x
    x = 3,737,851,389.73/70,336.35
  6. Step 6: Final answer
    x = 53,142.53

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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.