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Finding the Fourth Proportional to 4,788.06, 7,216.46 and 4,520.16

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Solution

The fourth proportional to 4,788.06, 7,216.46 and 4,520.16 is: 6,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.06 : 7,216.46 = 4,520.16 : x
  2. Step 2: Convert to fraction form
    4,788.06/7,216.46 = 4,520.16/x
  3. Step 3: Cross multiply
    4,788.06x = 7,216.46 × 4,520.16
  4. Step 4: Simplify right side
    4,788.06x = 32,619,553.83
  5. Step 5: Solve for x
    x = 32,619,553.83/4,788.06
  6. Step 6: Final answer
    x = 6,812.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.