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Finding the Fourth Proportional to 8,007.74, 12,014.93 and 3,328.76

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Solution

The fourth proportional to 8,007.74, 12,014.93 and 3,328.76 is: 4,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.74 : 12,014.93 = 3,328.76 : x
  2. Step 2: Convert to fraction form
    8,007.74/12,014.93 = 3,328.76/x
  3. Step 3: Cross multiply
    8,007.74x = 12,014.93 × 3,328.76
  4. Step 4: Simplify right side
    8,007.74x = 39,994,818.39
  5. Step 5: Solve for x
    x = 39,994,818.39/8,007.74
  6. Step 6: Final answer
    x = 4,994.52

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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.