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Finding the Fourth Proportional to 22,203, 33,309.74 and 7,210.07

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Solution

The fourth proportional to 22,203, 33,309.74 and 7,210.07 is: 10,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203 : 33,309.74 = 7,210.07 : x
  2. Step 2: Convert to fraction form
    22,203/33,309.74 = 7,210.07/x
  3. Step 3: Cross multiply
    22,203x = 33,309.74 × 7,210.07
  4. Step 4: Simplify right side
    22,203x = 240,165,521.03
  5. Step 5: Solve for x
    x = 240,165,521.03/22,203
  6. Step 6: Final answer
    x = 10,816.80

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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.