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Finding the Fourth Proportional to 2,730.32, 4,095.52 and 998.48

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Solution

The fourth proportional to 2,730.32, 4,095.52 and 998.48 is: 1,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.32 : 4,095.52 = 998.48 : x
  2. Step 2: Convert to fraction form
    2,730.32/4,095.52 = 998.48/x
  3. Step 3: Cross multiply
    2,730.32x = 4,095.52 × 998.48
  4. Step 4: Simplify right side
    2,730.32x = 4,089,294.81
  5. Step 5: Solve for x
    x = 4,089,294.81/2,730.32
  6. Step 6: Final answer
    x = 1,497.73

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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.