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Finding the Fourth Proportional to 70,466.76, 97,243.26 and 38,635.68

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Solution

The fourth proportional to 70,466.76, 97,243.26 and 38,635.68 is: 53,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,466.76 : 97,243.26 = 38,635.68 : x
  2. Step 2: Convert to fraction form
    70,466.76/97,243.26 = 38,635.68/x
  3. Step 3: Cross multiply
    70,466.76x = 97,243.26 × 38,635.68
  4. Step 4: Simplify right side
    70,466.76x = 3,757,059,475.52
  5. Step 5: Solve for x
    x = 3,757,059,475.52/70,466.76
  6. Step 6: Final answer
    x = 53,316.76

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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.