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Finding the Fourth Proportional to 8,048.70, 12,073.05 and 2,783.70

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Solution

The fourth proportional to 8,048.70, 12,073.05 and 2,783.70 is: 4,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.70 : 12,073.05 = 2,783.70 : x
  2. Step 2: Convert to fraction form
    8,048.70/12,073.05 = 2,783.70/x
  3. Step 3: Cross multiply
    8,048.70x = 12,073.05 × 2,783.70
  4. Step 4: Simplify right side
    8,048.70x = 33,607,749.29
  5. Step 5: Solve for x
    x = 33,607,749.29/8,048.70
  6. Step 6: Final answer
    x = 4,175.55

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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.