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Finding the Fourth Proportional to 4,900.32, 7,347.12 and 1,612.94

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Solution

The fourth proportional to 4,900.32, 7,347.12 and 1,612.94 is: 2,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.32 : 7,347.12 = 1,612.94 : x
  2. Step 2: Convert to fraction form
    4,900.32/7,347.12 = 1,612.94/x
  3. Step 3: Cross multiply
    4,900.32x = 7,347.12 × 1,612.94
  4. Step 4: Simplify right side
    4,900.32x = 11,850,427.00
  5. Step 5: Solve for x
    x = 11,850,427.00/4,900.32
  6. Step 6: Final answer
    x = 2,418.30

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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.