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Finding the Fourth Proportional to 70,524.84, 97,324.37 and 38,693.86

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Solution

The fourth proportional to 70,524.84, 97,324.37 and 38,693.86 is: 53,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524.84 : 97,324.37 = 38,693.86 : x
  2. Step 2: Convert to fraction form
    70,524.84/97,324.37 = 38,693.86/x
  3. Step 3: Cross multiply
    70,524.84x = 97,324.37 × 38,693.86
  4. Step 4: Simplify right side
    70,524.84x = 3,765,855,475.55
  5. Step 5: Solve for x
    x = 3,765,855,475.55/70,524.84
  6. Step 6: Final answer
    x = 53,397.58

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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.