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Finding the Fourth Proportional to 9,314.63, 12,850.53 and 5,333.60

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Solution

The fourth proportional to 9,314.63, 12,850.53 and 5,333.60 is: 7,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.63 : 12,850.53 = 5,333.60 : x
  2. Step 2: Convert to fraction form
    9,314.63/12,850.53 = 5,333.60/x
  3. Step 3: Cross multiply
    9,314.63x = 12,850.53 × 5,333.60
  4. Step 4: Simplify right side
    9,314.63x = 68,539,522.56
  5. Step 5: Solve for x
    x = 68,539,522.56/9,314.63
  6. Step 6: Final answer
    x = 7,358.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.