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Finding the Fourth Proportional to 22,223.60, 33,254.40 and 13,907.60

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Solution

The fourth proportional to 22,223.60, 33,254.40 and 13,907.60 is: 20,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.60 : 33,254.40 = 13,907.60 : x
  2. Step 2: Convert to fraction form
    22,223.60/33,254.40 = 13,907.60/x
  3. Step 3: Cross multiply
    22,223.60x = 33,254.40 × 13,907.60
  4. Step 4: Simplify right side
    22,223.60x = 462,488,893.44
  5. Step 5: Solve for x
    x = 462,488,893.44/22,223.60
  6. Step 6: Final answer
    x = 20,810.71

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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.