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Finding the Fourth Proportional to 4,857.15, 6,698.73 and 4,104.60

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Solution

The fourth proportional to 4,857.15, 6,698.73 and 4,104.60 is: 5,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.15 : 6,698.73 = 4,104.60 : x
  2. Step 2: Convert to fraction form
    4,857.15/6,698.73 = 4,104.60/x
  3. Step 3: Cross multiply
    4,857.15x = 6,698.73 × 4,104.60
  4. Step 4: Simplify right side
    4,857.15x = 27,495,607.16
  5. Step 5: Solve for x
    x = 27,495,607.16/4,857.15
  6. Step 6: Final answer
    x = 5,660.85

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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.