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Finding the Fourth Proportional to 5,821.45, 8,054.72 and 5,076.95

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Solution

The fourth proportional to 5,821.45, 8,054.72 and 5,076.95 is: 7,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.45 : 8,054.72 = 5,076.95 : x
  2. Step 2: Convert to fraction form
    5,821.45/8,054.72 = 5,076.95/x
  3. Step 3: Cross multiply
    5,821.45x = 8,054.72 × 5,076.95
  4. Step 4: Simplify right side
    5,821.45x = 40,893,410.70
  5. Step 5: Solve for x
    x = 40,893,410.70/5,821.45
  6. Step 6: Final answer
    x = 7,024.61

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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.