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Finding the Fourth Proportional to 30,394.67, 45,594.32 and 8,207.73

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Solution

The fourth proportional to 30,394.67, 45,594.32 and 8,207.73 is: 12,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.67 : 45,594.32 = 8,207.73 : x
  2. Step 2: Convert to fraction form
    30,394.67/45,594.32 = 8,207.73/x
  3. Step 3: Cross multiply
    30,394.67x = 45,594.32 × 8,207.73
  4. Step 4: Simplify right side
    30,394.67x = 374,225,827.05
  5. Step 5: Solve for x
    x = 374,225,827.05/30,394.67
  6. Step 6: Final answer
    x = 12,312.22

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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.