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Finding the Fourth Proportional to 8,805.78, 13,210.56 and 2,962.44

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Solution

The fourth proportional to 8,805.78, 13,210.56 and 2,962.44 is: 4,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.78 : 13,210.56 = 2,962.44 : x
  2. Step 2: Convert to fraction form
    8,805.78/13,210.56 = 2,962.44/x
  3. Step 3: Cross multiply
    8,805.78x = 13,210.56 × 2,962.44
  4. Step 4: Simplify right side
    8,805.78x = 39,135,491.37
  5. Step 5: Solve for x
    x = 39,135,491.37/8,805.78
  6. Step 6: Final answer
    x = 4,444.30

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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.