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Finding the Fourth Proportional to 5,762.99, 8,648.47 and 2,643.34

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Solution

The fourth proportional to 5,762.99, 8,648.47 and 2,643.34 is: 3,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.99 : 8,648.47 = 2,643.34 : x
  2. Step 2: Convert to fraction form
    5,762.99/8,648.47 = 2,643.34/x
  3. Step 3: Cross multiply
    5,762.99x = 8,648.47 × 2,643.34
  4. Step 4: Simplify right side
    5,762.99x = 22,860,846.69
  5. Step 5: Solve for x
    x = 22,860,846.69/5,762.99
  6. Step 6: Final answer
    x = 3,966.84

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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.