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Finding the Fourth Proportional to 22,210.60, 30,657.06 and 14,662.44

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Solution

The fourth proportional to 22,210.60, 30,657.06 and 14,662.44 is: 20,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.60 : 30,657.06 = 14,662.44 : x
  2. Step 2: Convert to fraction form
    22,210.60/30,657.06 = 14,662.44/x
  3. Step 3: Cross multiply
    22,210.60x = 30,657.06 × 14,662.44
  4. Step 4: Simplify right side
    22,210.60x = 449,507,302.83
  5. Step 5: Solve for x
    x = 449,507,302.83/22,210.60
  6. Step 6: Final answer
    x = 20,238.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.