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Finding the Fourth Proportional to 70,593.14, 97,418.64 and 38,764.08

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Solution

The fourth proportional to 70,593.14, 97,418.64 and 38,764.08 is: 53,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.14 : 97,418.64 = 38,764.08 : x
  2. Step 2: Convert to fraction form
    70,593.14/97,418.64 = 38,764.08/x
  3. Step 3: Cross multiply
    70,593.14x = 97,418.64 × 38,764.08
  4. Step 4: Simplify right side
    70,593.14x = 3,776,343,954.45
  5. Step 5: Solve for x
    x = 3,776,343,954.45/70,593.14
  6. Step 6: Final answer
    x = 53,494.49

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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.