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Finding the Fourth Proportional to 4,999.86, 7,494.66 and 1,879.29

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Solution

The fourth proportional to 4,999.86, 7,494.66 and 1,879.29 is: 2,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.86 : 7,494.66 = 1,879.29 : x
  2. Step 2: Convert to fraction form
    4,999.86/7,494.66 = 1,879.29/x
  3. Step 3: Cross multiply
    4,999.86x = 7,494.66 × 1,879.29
  4. Step 4: Simplify right side
    4,999.86x = 14,084,639.59
  5. Step 5: Solve for x
    x = 14,084,639.59/4,999.86
  6. Step 6: Final answer
    x = 2,817.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.