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Finding the Fourth Proportional to 22,608.32, 33,866.40 and 14,820.80

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Solution

The fourth proportional to 22,608.32, 33,866.40 and 14,820.80 is: 22,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.32 : 33,866.40 = 14,820.80 : x
  2. Step 2: Convert to fraction form
    22,608.32/33,866.40 = 14,820.80/x
  3. Step 3: Cross multiply
    22,608.32x = 33,866.40 × 14,820.80
  4. Step 4: Simplify right side
    22,608.32x = 501,927,141.12
  5. Step 5: Solve for x
    x = 501,927,141.12/22,608.32
  6. Step 6: Final answer
    x = 22,200.99

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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.