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Finding the Fourth Proportional to 7,495.70, 11,244.90 and 3,113.60

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Solution

The fourth proportional to 7,495.70, 11,244.90 and 3,113.60 is: 4,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.70 : 11,244.90 = 3,113.60 : x
  2. Step 2: Convert to fraction form
    7,495.70/11,244.90 = 3,113.60/x
  3. Step 3: Cross multiply
    7,495.70x = 11,244.90 × 3,113.60
  4. Step 4: Simplify right side
    7,495.70x = 35,012,120.64
  5. Step 5: Solve for x
    x = 35,012,120.64/7,495.70
  6. Step 6: Final answer
    x = 4,670.96

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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.