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Finding the Fourth Proportional to 3,368.07, 4,647.99 and 1,951.86

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Solution

The fourth proportional to 3,368.07, 4,647.99 and 1,951.86 is: 2,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.07 : 4,647.99 = 1,951.86 : x
  2. Step 2: Convert to fraction form
    3,368.07/4,647.99 = 1,951.86/x
  3. Step 3: Cross multiply
    3,368.07x = 4,647.99 × 1,951.86
  4. Step 4: Simplify right side
    3,368.07x = 9,072,217.18
  5. Step 5: Solve for x
    x = 9,072,217.18/3,368.07
  6. Step 6: Final answer
    x = 2,693.60

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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.