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Finding the Fourth Proportional to 9,843.40, 14,765.10 and 9,454.60

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Solution

The fourth proportional to 9,843.40, 14,765.10 and 9,454.60 is: 14,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.40 : 14,765.10 = 9,454.60 : x
  2. Step 2: Convert to fraction form
    9,843.40/14,765.10 = 9,454.60/x
  3. Step 3: Cross multiply
    9,843.40x = 14,765.10 × 9,454.60
  4. Step 4: Simplify right side
    9,843.40x = 139,598,114.46
  5. Step 5: Solve for x
    x = 139,598,114.46/9,843.40
  6. Step 6: Final answer
    x = 14,181.90

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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.