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Finding the Fourth Proportional to 53,339.92, 80,014.50 and 13,896.94

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Solution

The fourth proportional to 53,339.92, 80,014.50 and 13,896.94 is: 20,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339.92 : 80,014.50 = 13,896.94 : x
  2. Step 2: Convert to fraction form
    53,339.92/80,014.50 = 13,896.94/x
  3. Step 3: Cross multiply
    53,339.92x = 80,014.50 × 13,896.94
  4. Step 4: Simplify right side
    53,339.92x = 1,111,956,705.63
  5. Step 5: Solve for x
    x = 1,111,956,705.63/53,339.92
  6. Step 6: Final answer
    x = 20,846.61

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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.