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Finding the Fourth Proportional to 70,882.98, 97,822.92 and 39,051.87

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Solution

The fourth proportional to 70,882.98, 97,822.92 and 39,051.87 is: 53,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,882.98 : 97,822.92 = 39,051.87 : x
  2. Step 2: Convert to fraction form
    70,882.98/97,822.92 = 39,051.87/x
  3. Step 3: Cross multiply
    70,882.98x = 97,822.92 × 39,051.87
  4. Step 4: Simplify right side
    70,882.98x = 3,820,167,954.86
  5. Step 5: Solve for x
    x = 3,820,167,954.86/70,882.98
  6. Step 6: Final answer
    x = 53,894.01

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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.