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Finding the Fourth Proportional to 69,662.85, 96,164.16 and 47,032.50

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Solution

The fourth proportional to 69,662.85, 96,164.16 and 47,032.50 is: 64,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.85 : 96,164.16 = 47,032.50 : x
  2. Step 2: Convert to fraction form
    69,662.85/96,164.16 = 47,032.50/x
  3. Step 3: Cross multiply
    69,662.85x = 96,164.16 × 47,032.50
  4. Step 4: Simplify right side
    69,662.85x = 4,522,840,855.20
  5. Step 5: Solve for x
    x = 4,522,840,855.20/69,662.85
  6. Step 6: Final answer
    x = 64,924.72

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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.