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Finding the Fourth Proportional to 22,585.68, 33,880.44 and 7,788.60

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Solution

The fourth proportional to 22,585.68, 33,880.44 and 7,788.60 is: 11,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.68 : 33,880.44 = 7,788.60 : x
  2. Step 2: Convert to fraction form
    22,585.68/33,880.44 = 7,788.60/x
  3. Step 3: Cross multiply
    22,585.68x = 33,880.44 × 7,788.60
  4. Step 4: Simplify right side
    22,585.68x = 263,881,194.98
  5. Step 5: Solve for x
    x = 263,881,194.98/22,585.68
  6. Step 6: Final answer
    x = 11,683.56

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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.