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Finding the Fourth Proportional to 22,185.60, 30,602.40 and 14,632.32

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Solution

The fourth proportional to 22,185.60, 30,602.40 and 14,632.32 is: 20,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.60 : 30,602.40 = 14,632.32 : x
  2. Step 2: Convert to fraction form
    22,185.60/30,602.40 = 14,632.32/x
  3. Step 3: Cross multiply
    22,185.60x = 30,602.40 × 14,632.32
  4. Step 4: Simplify right side
    22,185.60x = 447,784,109.57
  5. Step 5: Solve for x
    x = 447,784,109.57/22,185.60
  6. Step 6: Final answer
    x = 20,183.55

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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.