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Finding the Fourth Proportional to 70,674.57, 97,530.62 and 38,844.81

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Solution

The fourth proportional to 70,674.57, 97,530.62 and 38,844.81 is: 53,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,674.57 : 97,530.62 = 38,844.81 : x
  2. Step 2: Convert to fraction form
    70,674.57/97,530.62 = 38,844.81/x
  3. Step 3: Cross multiply
    70,674.57x = 97,530.62 × 38,844.81
  4. Step 4: Simplify right side
    70,674.57x = 3,788,558,208.86
  5. Step 5: Solve for x
    x = 3,788,558,208.86/70,674.57
  6. Step 6: Final answer
    x = 53,605.68

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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.