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Finding the Fourth Proportional to 30,604.23, 45,906.93 and 8,417.52

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Solution

The fourth proportional to 30,604.23, 45,906.93 and 8,417.52 is: 12,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.23 : 45,906.93 = 8,417.52 : x
  2. Step 2: Convert to fraction form
    30,604.23/45,906.93 = 8,417.52/x
  3. Step 3: Cross multiply
    30,604.23x = 45,906.93 × 8,417.52
  4. Step 4: Simplify right side
    30,604.23x = 386,422,501.41
  5. Step 5: Solve for x
    x = 386,422,501.41/30,604.23
  6. Step 6: Final answer
    x = 12,626.44

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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.