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Finding the Fourth Proportional to 30,749.39, 46,124.10 and 8,562.81

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Solution

The fourth proportional to 30,749.39, 46,124.10 and 8,562.81 is: 12,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.39 : 46,124.10 = 8,562.81 : x
  2. Step 2: Convert to fraction form
    30,749.39/46,124.10 = 8,562.81/x
  3. Step 3: Cross multiply
    30,749.39x = 46,124.10 × 8,562.81
  4. Step 4: Simplify right side
    30,749.39x = 394,951,904.72
  5. Step 5: Solve for x
    x = 394,951,904.72/30,749.39
  6. Step 6: Final answer
    x = 12,844.22

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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.