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Finding the Fourth Proportional to 22,520.64, 33,802.74 and 16,659.48

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Solution

The fourth proportional to 22,520.64, 33,802.74 and 16,659.48 is: 25,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.64 : 33,802.74 = 16,659.48 : x
  2. Step 2: Convert to fraction form
    22,520.64/33,802.74 = 16,659.48/x
  3. Step 3: Cross multiply
    22,520.64x = 33,802.74 × 16,659.48
  4. Step 4: Simplify right side
    22,520.64x = 563,136,070.98
  5. Step 5: Solve for x
    x = 563,136,070.98/22,520.64
  6. Step 6: Final answer
    x = 25,005.33

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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.