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Finding the Fourth Proportional to 4,900.54, 7,347.78 and 1,612.75

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Solution

The fourth proportional to 4,900.54, 7,347.78 and 1,612.75 is: 2,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.54 : 7,347.78 = 1,612.75 : x
  2. Step 2: Convert to fraction form
    4,900.54/7,347.78 = 1,612.75/x
  3. Step 3: Cross multiply
    4,900.54x = 7,347.78 × 1,612.75
  4. Step 4: Simplify right side
    4,900.54x = 11,850,132.20
  5. Step 5: Solve for x
    x = 11,850,132.20/4,900.54
  6. Step 6: Final answer
    x = 2,418.13

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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.