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Finding the Fourth Proportional to 69,807.03, 96,335.55 and 37,977.90

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Solution

The fourth proportional to 69,807.03, 96,335.55 and 37,977.90 is: 52,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.03 : 96,335.55 = 37,977.90 : x
  2. Step 2: Convert to fraction form
    69,807.03/96,335.55 = 37,977.90/x
  3. Step 3: Cross multiply
    69,807.03x = 96,335.55 × 37,977.90
  4. Step 4: Simplify right side
    69,807.03x = 3,658,621,884.35
  5. Step 5: Solve for x
    x = 3,658,621,884.35/69,807.03
  6. Step 6: Final answer
    x = 52,410.51

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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.