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Finding the Fourth Proportional to 11,201.10, 16,801.65 and 7,483.20

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Solution

The fourth proportional to 11,201.10, 16,801.65 and 7,483.20 is: 11,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.10 : 16,801.65 = 7,483.20 : x
  2. Step 2: Convert to fraction form
    11,201.10/16,801.65 = 7,483.20/x
  3. Step 3: Cross multiply
    11,201.10x = 16,801.65 × 7,483.20
  4. Step 4: Simplify right side
    11,201.10x = 125,730,107.28
  5. Step 5: Solve for x
    x = 125,730,107.28/11,201.10
  6. Step 6: Final answer
    x = 11,224.80

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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.