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Finding the Fourth Proportional to 19,246.08, 28,846.70 and 8,149.08

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Solution

The fourth proportional to 19,246.08, 28,846.70 and 8,149.08 is: 12,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.08 : 28,846.70 = 8,149.08 : x
  2. Step 2: Convert to fraction form
    19,246.08/28,846.70 = 8,149.08/x
  3. Step 3: Cross multiply
    19,246.08x = 28,846.70 × 8,149.08
  4. Step 4: Simplify right side
    19,246.08x = 235,074,066.04
  5. Step 5: Solve for x
    x = 235,074,066.04/19,246.08
  6. Step 6: Final answer
    x = 12,214.13

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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.