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Finding the Fourth Proportional to 5,827.98, 8,741.74 and 1,879.06

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Solution

The fourth proportional to 5,827.98, 8,741.74 and 1,879.06 is: 2,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.98 : 8,741.74 = 1,879.06 : x
  2. Step 2: Convert to fraction form
    5,827.98/8,741.74 = 1,879.06/x
  3. Step 3: Cross multiply
    5,827.98x = 8,741.74 × 1,879.06
  4. Step 4: Simplify right side
    5,827.98x = 16,426,253.96
  5. Step 5: Solve for x
    x = 16,426,253.96/5,827.98
  6. Step 6: Final answer
    x = 2,818.52

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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.