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Finding the Fourth Proportional to 8,809.76, 13,216.08 and 3,263.12

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Solution

The fourth proportional to 8,809.76, 13,216.08 and 3,263.12 is: 4,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.76 : 13,216.08 = 3,263.12 : x
  2. Step 2: Convert to fraction form
    8,809.76/13,216.08 = 3,263.12/x
  3. Step 3: Cross multiply
    8,809.76x = 13,216.08 × 3,263.12
  4. Step 4: Simplify right side
    8,809.76x = 43,125,654.97
  5. Step 5: Solve for x
    x = 43,125,654.97/8,809.76
  6. Step 6: Final answer
    x = 4,895.21

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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.