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Finding the Fourth Proportional to 8,030.76, 12,048.21 and 3,099.07

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Solution

The fourth proportional to 8,030.76, 12,048.21 and 3,099.07 is: 4,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.76 : 12,048.21 = 3,099.07 : x
  2. Step 2: Convert to fraction form
    8,030.76/12,048.21 = 3,099.07/x
  3. Step 3: Cross multiply
    8,030.76x = 12,048.21 × 3,099.07
  4. Step 4: Simplify right side
    8,030.76x = 37,338,261.22
  5. Step 5: Solve for x
    x = 37,338,261.22/8,030.76
  6. Step 6: Final answer
    x = 4,649.41

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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.