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Finding the Fourth Proportional to 7,397.98, 11,096.97 and 1,851.32

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Solution

The fourth proportional to 7,397.98, 11,096.97 and 1,851.32 is: 2,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.98 : 11,096.97 = 1,851.32 : x
  2. Step 2: Convert to fraction form
    7,397.98/11,096.97 = 1,851.32/x
  3. Step 3: Cross multiply
    7,397.98x = 11,096.97 × 1,851.32
  4. Step 4: Simplify right side
    7,397.98x = 20,544,033.24
  5. Step 5: Solve for x
    x = 20,544,033.24/7,397.98
  6. Step 6: Final answer
    x = 2,776.98

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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.