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Finding the Fourth Proportional to 8,448.98, 12,669.03 and 4,940.18

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Solution

The fourth proportional to 8,448.98, 12,669.03 and 4,940.18 is: 7,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.98 : 12,669.03 = 4,940.18 : x
  2. Step 2: Convert to fraction form
    8,448.98/12,669.03 = 4,940.18/x
  3. Step 3: Cross multiply
    8,448.98x = 12,669.03 × 4,940.18
  4. Step 4: Simplify right side
    8,448.98x = 62,587,288.63
  5. Step 5: Solve for x
    x = 62,587,288.63/8,448.98
  6. Step 6: Final answer
    x = 7,407.67

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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.