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Finding the Fourth Proportional to 8,801.10, 13,201.59 and 2,645.10

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Solution

The fourth proportional to 8,801.10, 13,201.59 and 2,645.10 is: 3,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.10 : 13,201.59 = 2,645.10 : x
  2. Step 2: Convert to fraction form
    8,801.10/13,201.59 = 2,645.10/x
  3. Step 3: Cross multiply
    8,801.10x = 13,201.59 × 2,645.10
  4. Step 4: Simplify right side
    8,801.10x = 34,919,525.71
  5. Step 5: Solve for x
    x = 34,919,525.71/8,801.10
  6. Step 6: Final answer
    x = 3,967.63

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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.