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Finding the Fourth Proportional to 12,674.63, 19,014.17 and 4,355.52

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Solution

The fourth proportional to 12,674.63, 19,014.17 and 4,355.52 is: 6,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.63 : 19,014.17 = 4,355.52 : x
  2. Step 2: Convert to fraction form
    12,674.63/19,014.17 = 4,355.52/x
  3. Step 3: Cross multiply
    12,674.63x = 19,014.17 × 4,355.52
  4. Step 4: Simplify right side
    12,674.63x = 82,816,575.94
  5. Step 5: Solve for x
    x = 82,816,575.94/12,674.63
  6. Step 6: Final answer
    x = 6,534.05

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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.