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Finding the Fourth Proportional to 6,969.65, 10,453.53 and 1,775.53

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Solution

The fourth proportional to 6,969.65, 10,453.53 and 1,775.53 is: 2,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.65 : 10,453.53 = 1,775.53 : x
  2. Step 2: Convert to fraction form
    6,969.65/10,453.53 = 1,775.53/x
  3. Step 3: Cross multiply
    6,969.65x = 10,453.53 × 1,775.53
  4. Step 4: Simplify right side
    6,969.65x = 18,560,503.85
  5. Step 5: Solve for x
    x = 18,560,503.85/6,969.65
  6. Step 6: Final answer
    x = 2,663.05

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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.