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Finding the Fourth Proportional to 11,201.22, 16,799.16 and 4,957.80

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Solution

The fourth proportional to 11,201.22, 16,799.16 and 4,957.80 is: 7,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.22 : 16,799.16 = 4,957.80 : x
  2. Step 2: Convert to fraction form
    11,201.22/16,799.16 = 4,957.80/x
  3. Step 3: Cross multiply
    11,201.22x = 16,799.16 × 4,957.80
  4. Step 4: Simplify right side
    11,201.22x = 83,286,875.45
  5. Step 5: Solve for x
    x = 83,286,875.45/11,201.22
  6. Step 6: Final answer
    x = 7,435.52

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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.