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Finding the Fourth Proportional to 70,606.44, 97,436.39 and 38,774.70

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Solution

The fourth proportional to 70,606.44, 97,436.39 and 38,774.70 is: 53,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.44 : 97,436.39 = 38,774.70 : x
  2. Step 2: Convert to fraction form
    70,606.44/97,436.39 = 38,774.70/x
  3. Step 3: Cross multiply
    70,606.44x = 97,436.39 × 38,774.70
  4. Step 4: Simplify right side
    70,606.44x = 3,778,066,597.46
  5. Step 5: Solve for x
    x = 3,778,066,597.46/70,606.44
  6. Step 6: Final answer
    x = 53,508.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.