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Finding the Fourth Proportional to 1,197.02, 1,794.25 and 853.98

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Solution

The fourth proportional to 1,197.02, 1,794.25 and 853.98 is: 1,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.02 : 1,794.25 = 853.98 : x
  2. Step 2: Convert to fraction form
    1,197.02/1,794.25 = 853.98/x
  3. Step 3: Cross multiply
    1,197.02x = 1,794.25 × 853.98
  4. Step 4: Simplify right side
    1,197.02x = 1,532,253.62
  5. Step 5: Solve for x
    x = 1,532,253.62/1,197.02
  6. Step 6: Final answer
    x = 1,280.06

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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.