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Finding the Fourth Proportional to 4,629.53, 6,394.88 and 4,039.04

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Solution

The fourth proportional to 4,629.53, 6,394.88 and 4,039.04 is: 5,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.53 : 6,394.88 = 4,039.04 : x
  2. Step 2: Convert to fraction form
    4,629.53/6,394.88 = 4,039.04/x
  3. Step 3: Cross multiply
    4,629.53x = 6,394.88 × 4,039.04
  4. Step 4: Simplify right side
    4,629.53x = 25,829,176.12
  5. Step 5: Solve for x
    x = 25,829,176.12/4,629.53
  6. Step 6: Final answer
    x = 5,579.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.