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Finding the Fourth Proportional to 22,120.48, 30,526.08 and 12,048.80

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Solution

The fourth proportional to 22,120.48, 30,526.08 and 12,048.80 is: 16,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.48 : 30,526.08 = 12,048.80 : x
  2. Step 2: Convert to fraction form
    22,120.48/30,526.08 = 12,048.80/x
  3. Step 3: Cross multiply
    22,120.48x = 30,526.08 × 12,048.80
  4. Step 4: Simplify right side
    22,120.48x = 367,802,632.70
  5. Step 5: Solve for x
    x = 367,802,632.70/22,120.48
  6. Step 6: Final answer
    x = 16,627.24

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