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Finding the Fourth Proportional to 8,808.16, 13,228.70 and 7,754.35

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Solution

The fourth proportional to 8,808.16, 13,228.70 and 7,754.35 is: 11,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.16 : 13,228.70 = 7,754.35 : x
  2. Step 2: Convert to fraction form
    8,808.16/13,228.70 = 7,754.35/x
  3. Step 3: Cross multiply
    8,808.16x = 13,228.70 × 7,754.35
  4. Step 4: Simplify right side
    8,808.16x = 102,579,969.85
  5. Step 5: Solve for x
    x = 102,579,969.85/8,808.16
  6. Step 6: Final answer
    x = 11,646.02

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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.