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Finding the Fourth Proportional to 5,539.91, 8,300.70 and 4,968.23

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Solution

The fourth proportional to 5,539.91, 8,300.70 and 4,968.23 is: 7,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.91 : 8,300.70 = 4,968.23 : x
  2. Step 2: Convert to fraction form
    5,539.91/8,300.70 = 4,968.23/x
  3. Step 3: Cross multiply
    5,539.91x = 8,300.70 × 4,968.23
  4. Step 4: Simplify right side
    5,539.91x = 41,239,745.26
  5. Step 5: Solve for x
    x = 41,239,745.26/5,539.91
  6. Step 6: Final answer
    x = 7,444.12

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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.