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Finding the Fourth Proportional to 1,066.46, 1,597.55 and 847.44

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Solution

The fourth proportional to 1,066.46, 1,597.55 and 847.44 is: 1,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.46 : 1,597.55 = 847.44 : x
  2. Step 2: Convert to fraction form
    1,066.46/1,597.55 = 847.44/x
  3. Step 3: Cross multiply
    1,066.46x = 1,597.55 × 847.44
  4. Step 4: Simplify right side
    1,066.46x = 1,353,823.53
  5. Step 5: Solve for x
    x = 1,353,823.53/1,066.46
  6. Step 6: Final answer
    x = 1,269.46

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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.