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Finding the Fourth Proportional to 6,418.53, 8,848.98 and 5,762.43

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Solution

The fourth proportional to 6,418.53, 8,848.98 and 5,762.43 is: 7,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.53 : 8,848.98 = 5,762.43 : x
  2. Step 2: Convert to fraction form
    6,418.53/8,848.98 = 5,762.43/x
  3. Step 3: Cross multiply
    6,418.53x = 8,848.98 × 5,762.43
  4. Step 4: Simplify right side
    6,418.53x = 50,991,627.82
  5. Step 5: Solve for x
    x = 50,991,627.82/6,418.53
  6. Step 6: Final answer
    x = 7,944.44

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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.