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Finding the Fourth Proportional to 22,403.60, 33,605.40 and 22,014.80

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Solution

The fourth proportional to 22,403.60, 33,605.40 and 22,014.80 is: 33,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.60 : 33,605.40 = 22,014.80 : x
  2. Step 2: Convert to fraction form
    22,403.60/33,605.40 = 22,014.80/x
  3. Step 3: Cross multiply
    22,403.60x = 33,605.40 × 22,014.80
  4. Step 4: Simplify right side
    22,403.60x = 739,816,159.92
  5. Step 5: Solve for x
    x = 739,816,159.92/22,403.60
  6. Step 6: Final answer
    x = 33,022.20

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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.