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Finding the Fourth Proportional to 70,604.87, 97,435.40 and 38,774.44

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Solution

The fourth proportional to 70,604.87, 97,435.40 and 38,774.44 is: 53,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,604.87 : 97,435.40 = 38,774.44 : x
  2. Step 2: Convert to fraction form
    70,604.87/97,435.40 = 38,774.44/x
  3. Step 3: Cross multiply
    70,604.87x = 97,435.40 × 38,774.44
  4. Step 4: Simplify right side
    70,604.87x = 3,778,002,999.10
  5. Step 5: Solve for x
    x = 3,778,002,999.10/70,604.87
  6. Step 6: Final answer
    x = 53,509.10

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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.