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Finding the Fourth Proportional to 22,152.30, 33,210.90 and 11,053.26

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Solution

The fourth proportional to 22,152.30, 33,210.90 and 11,053.26 is: 16,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.30 : 33,210.90 = 11,053.26 : x
  2. Step 2: Convert to fraction form
    22,152.30/33,210.90 = 11,053.26/x
  3. Step 3: Cross multiply
    22,152.30x = 33,210.90 × 11,053.26
  4. Step 4: Simplify right side
    22,152.30x = 367,088,712.53
  5. Step 5: Solve for x
    x = 367,088,712.53/22,152.30
  6. Step 6: Final answer
    x = 16,571.13

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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.