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Finding the Fourth Proportional to 4,699.77, 6,485.41 and 2,683.42

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Solution

The fourth proportional to 4,699.77, 6,485.41 and 2,683.42 is: 3,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.77 : 6,485.41 = 2,683.42 : x
  2. Step 2: Convert to fraction form
    4,699.77/6,485.41 = 2,683.42/x
  3. Step 3: Cross multiply
    4,699.77x = 6,485.41 × 2,683.42
  4. Step 4: Simplify right side
    4,699.77x = 17,403,076.74
  5. Step 5: Solve for x
    x = 17,403,076.74/4,699.77
  6. Step 6: Final answer
    x = 3,702.96

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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.