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Finding the Fourth Proportional to 69,967.62, 96,557.93 and 39,758.07

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Solution

The fourth proportional to 69,967.62, 96,557.93 and 39,758.07 is: 54,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967.62 : 96,557.93 = 39,758.07 : x
  2. Step 2: Convert to fraction form
    69,967.62/96,557.93 = 39,758.07/x
  3. Step 3: Cross multiply
    69,967.62x = 96,557.93 × 39,758.07
  4. Step 4: Simplify right side
    69,967.62x = 3,838,956,741.20
  5. Step 5: Solve for x
    x = 3,838,956,741.20/69,967.62
  6. Step 6: Final answer
    x = 54,867.62

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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.