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Finding the Fourth Proportional to 69,398.72, 104,089.44 and 22,647.68

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Solution

The fourth proportional to 69,398.72, 104,089.44 and 22,647.68 is: 33,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.72 : 104,089.44 = 22,647.68 : x
  2. Step 2: Convert to fraction form
    69,398.72/104,089.44 = 22,647.68/x
  3. Step 3: Cross multiply
    69,398.72x = 104,089.44 × 22,647.68
  4. Step 4: Simplify right side
    69,398.72x = 2,357,384,328.50
  5. Step 5: Solve for x
    x = 2,357,384,328.50/69,398.72
  6. Step 6: Final answer
    x = 33,968.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.