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Finding the Fourth Proportional to 6,554.68, 9,812.68 and 4,329.42

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Solution

The fourth proportional to 6,554.68, 9,812.68 and 4,329.42 is: 6,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.68 : 9,812.68 = 4,329.42 : x
  2. Step 2: Convert to fraction form
    6,554.68/9,812.68 = 4,329.42/x
  3. Step 3: Cross multiply
    6,554.68x = 9,812.68 × 4,329.42
  4. Step 4: Simplify right side
    6,554.68x = 42,483,213.05
  5. Step 5: Solve for x
    x = 42,483,213.05/6,554.68
  6. Step 6: Final answer
    x = 6,481.36

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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.