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Finding the Fourth Proportional to 22,556.64, 33,837.22 and 7,763.60

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Solution

The fourth proportional to 22,556.64, 33,837.22 and 7,763.60 is: 11,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556.64 : 33,837.22 = 7,763.60 : x
  2. Step 2: Convert to fraction form
    22,556.64/33,837.22 = 7,763.60/x
  3. Step 3: Cross multiply
    22,556.64x = 33,837.22 × 7,763.60
  4. Step 4: Simplify right side
    22,556.64x = 262,698,641.19
  5. Step 5: Solve for x
    x = 262,698,641.19/22,556.64
  6. Step 6: Final answer
    x = 11,646.18

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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.