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Finding the Fourth Proportional to 69,388.08, 104,085.80 and 22,006.90

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Solution

The fourth proportional to 69,388.08, 104,085.80 and 22,006.90 is: 33,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,388.08 : 104,085.80 = 22,006.90 : x
  2. Step 2: Convert to fraction form
    69,388.08/104,085.80 = 22,006.90/x
  3. Step 3: Cross multiply
    69,388.08x = 104,085.80 × 22,006.90
  4. Step 4: Simplify right side
    69,388.08x = 2,290,605,792.02
  5. Step 5: Solve for x
    x = 2,290,605,792.02/69,388.08
  6. Step 6: Final answer
    x = 33,011.52

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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.