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Finding the Fourth Proportional to 11,201.76, 16,810.20 and 4,627.92

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Solution

The fourth proportional to 11,201.76, 16,810.20 and 4,627.92 is: 6,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.76 : 16,810.20 = 4,627.92 : x
  2. Step 2: Convert to fraction form
    11,201.76/16,810.20 = 4,627.92/x
  3. Step 3: Cross multiply
    11,201.76x = 16,810.20 × 4,627.92
  4. Step 4: Simplify right side
    11,201.76x = 77,796,260.78
  5. Step 5: Solve for x
    x = 77,796,260.78/11,201.76
  6. Step 6: Final answer
    x = 6,945.00

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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.