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Finding the Fourth Proportional to 6,148.88, 8,485.48 and 3,354.38

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Solution

The fourth proportional to 6,148.88, 8,485.48 and 3,354.38 is: 4,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.88 : 8,485.48 = 3,354.38 : x
  2. Step 2: Convert to fraction form
    6,148.88/8,485.48 = 3,354.38/x
  3. Step 3: Cross multiply
    6,148.88x = 8,485.48 × 3,354.38
  4. Step 4: Simplify right side
    6,148.88x = 28,463,473.59
  5. Step 5: Solve for x
    x = 28,463,473.59/6,148.88
  6. Step 6: Final answer
    x = 4,629.05

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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.