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Finding the Fourth Proportional to 6,991.25, 10,495.08 and 4,902.67

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Solution

The fourth proportional to 6,991.25, 10,495.08 and 4,902.67 is: 7,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.25 : 10,495.08 = 4,902.67 : x
  2. Step 2: Convert to fraction form
    6,991.25/10,495.08 = 4,902.67/x
  3. Step 3: Cross multiply
    6,991.25x = 10,495.08 × 4,902.67
  4. Step 4: Simplify right side
    6,991.25x = 51,453,887.63
  5. Step 5: Solve for x
    x = 51,453,887.63/6,991.25
  6. Step 6: Final answer
    x = 7,359.75

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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.