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Finding the Fourth Proportional to 5,873.94, 8,085.69 and 5,076.90

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Solution

The fourth proportional to 5,873.94, 8,085.69 and 5,076.90 is: 6,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.94 : 8,085.69 = 5,076.90 : x
  2. Step 2: Convert to fraction form
    5,873.94/8,085.69 = 5,076.90/x
  3. Step 3: Cross multiply
    5,873.94x = 8,085.69 × 5,076.90
  4. Step 4: Simplify right side
    5,873.94x = 41,050,239.56
  5. Step 5: Solve for x
    x = 41,050,239.56/5,873.94
  6. Step 6: Final answer
    x = 6,988.54

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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.