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Finding the Fourth Proportional to 8,030.73, 12,048.14 and 3,099.05

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Solution

The fourth proportional to 8,030.73, 12,048.14 and 3,099.05 is: 4,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.73 : 12,048.14 = 3,099.05 : x
  2. Step 2: Convert to fraction form
    8,030.73/12,048.14 = 3,099.05/x
  3. Step 3: Cross multiply
    8,030.73x = 12,048.14 × 3,099.05
  4. Step 4: Simplify right side
    8,030.73x = 37,337,712.53
  5. Step 5: Solve for x
    x = 37,337,712.53/8,030.73
  6. Step 6: Final answer
    x = 4,649.35

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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.