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Finding the Fourth Proportional to 13,869.94, 20,804.92 and 4,635.94

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Solution

The fourth proportional to 13,869.94, 20,804.92 and 4,635.94 is: 6,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.94 : 20,804.92 = 4,635.94 : x
  2. Step 2: Convert to fraction form
    13,869.94/20,804.92 = 4,635.94/x
  3. Step 3: Cross multiply
    13,869.94x = 20,804.92 × 4,635.94
  4. Step 4: Simplify right side
    13,869.94x = 96,450,360.82
  5. Step 5: Solve for x
    x = 96,450,360.82/13,869.94
  6. Step 6: Final answer
    x = 6,953.91

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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.