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Finding the Fourth Proportional to 70,593.03, 97,418.38 and 38,761.93

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Solution

The fourth proportional to 70,593.03, 97,418.38 and 38,761.93 is: 53,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.03 : 97,418.38 = 38,761.93 : x
  2. Step 2: Convert to fraction form
    70,593.03/97,418.38 = 38,761.93/x
  3. Step 3: Cross multiply
    70,593.03x = 97,418.38 × 38,761.93
  4. Step 4: Simplify right side
    70,593.03x = 3,776,124,085.82
  5. Step 5: Solve for x
    x = 3,776,124,085.82/70,593.03
  6. Step 6: Final answer
    x = 53,491.46

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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.