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Finding the Fourth Proportional to 2,015.46, 3,023.64 and 554.73

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Solution

The fourth proportional to 2,015.46, 3,023.64 and 554.73 is: 832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.46 : 3,023.64 = 554.73 : x
  2. Step 2: Convert to fraction form
    2,015.46/3,023.64 = 554.73/x
  3. Step 3: Cross multiply
    2,015.46x = 3,023.64 × 554.73
  4. Step 4: Simplify right side
    2,015.46x = 1,677,303.82
  5. Step 5: Solve for x
    x = 1,677,303.82/2,015.46
  6. Step 6: Final answer
    x = 832.22

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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.