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Finding the Fourth Proportional to 4,539.53, 6,809.90 and 4,419.24

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Solution

The fourth proportional to 4,539.53, 6,809.90 and 4,419.24 is: 6,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.53 : 6,809.90 = 4,419.24 : x
  2. Step 2: Convert to fraction form
    4,539.53/6,809.90 = 4,419.24/x
  3. Step 3: Cross multiply
    4,539.53x = 6,809.90 × 4,419.24
  4. Step 4: Simplify right side
    4,539.53x = 30,094,560.38
  5. Step 5: Solve for x
    x = 30,094,560.38/4,539.53
  6. Step 6: Final answer
    x = 6,629.45

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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.