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Finding the Fourth Proportional to 69,307.84, 95,642.52 and 39,093.92

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Solution

The fourth proportional to 69,307.84, 95,642.52 and 39,093.92 is: 53,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.84 : 95,642.52 = 39,093.92 : x
  2. Step 2: Convert to fraction form
    69,307.84/95,642.52 = 39,093.92/x
  3. Step 3: Cross multiply
    69,307.84x = 95,642.52 × 39,093.92
  4. Step 4: Simplify right side
    69,307.84x = 3,739,041,025.48
  5. Step 5: Solve for x
    x = 3,739,041,025.48/69,307.84
  6. Step 6: Final answer
    x = 53,948.31

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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.