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Finding the Fourth Proportional to 6,491.95, 9,694.08 and 6,453.07

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Solution

The fourth proportional to 6,491.95, 9,694.08 and 6,453.07 is: 9,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.95 : 9,694.08 = 6,453.07 : x
  2. Step 2: Convert to fraction form
    6,491.95/9,694.08 = 6,453.07/x
  3. Step 3: Cross multiply
    6,491.95x = 9,694.08 × 6,453.07
  4. Step 4: Simplify right side
    6,491.95x = 62,556,552.59
  5. Step 5: Solve for x
    x = 62,556,552.59/6,491.95
  6. Step 6: Final answer
    x = 9,636.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.