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Finding the Fourth Proportional to 8,277.99, 12,416.95 and 3,347.57

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Solution

The fourth proportional to 8,277.99, 12,416.95 and 3,347.57 is: 5,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.99 : 12,416.95 = 3,347.57 : x
  2. Step 2: Convert to fraction form
    8,277.99/12,416.95 = 3,347.57/x
  3. Step 3: Cross multiply
    8,277.99x = 12,416.95 × 3,347.57
  4. Step 4: Simplify right side
    8,277.99x = 41,566,609.31
  5. Step 5: Solve for x
    x = 41,566,609.31/8,277.99
  6. Step 6: Final answer
    x = 5,021.34

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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.