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Finding the Fourth Proportional to 4,804.00, 6,630.12 and 2,815.31

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Solution

The fourth proportional to 4,804.00, 6,630.12 and 2,815.31 is: 3,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.00 : 6,630.12 = 2,815.31 : x
  2. Step 2: Convert to fraction form
    4,804.00/6,630.12 = 2,815.31/x
  3. Step 3: Cross multiply
    4,804.00x = 6,630.12 × 2,815.31
  4. Step 4: Simplify right side
    4,804.00x = 18,665,859.71
  5. Step 5: Solve for x
    x = 18,665,859.71/4,804.00
  6. Step 6: Final answer
    x = 3,885.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.