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Finding the Fourth Proportional to 8,448.74, 12,673.15 and 2,903.69

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Solution

The fourth proportional to 8,448.74, 12,673.15 and 2,903.69 is: 4,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.74 : 12,673.15 = 2,903.69 : x
  2. Step 2: Convert to fraction form
    8,448.74/12,673.15 = 2,903.69/x
  3. Step 3: Cross multiply
    8,448.74x = 12,673.15 × 2,903.69
  4. Step 4: Simplify right side
    8,448.74x = 36,798,828.30
  5. Step 5: Solve for x
    x = 36,798,828.30/8,448.74
  6. Step 6: Final answer
    x = 4,355.54

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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.