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Finding the Fourth Proportional to 43,893.76, 65,826.40 and 14,303.84

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Solution

The fourth proportional to 43,893.76, 65,826.40 and 14,303.84 is: 21,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893.76 : 65,826.40 = 14,303.84 : x
  2. Step 2: Convert to fraction form
    43,893.76/65,826.40 = 14,303.84/x
  3. Step 3: Cross multiply
    43,893.76x = 65,826.40 × 14,303.84
  4. Step 4: Simplify right side
    43,893.76x = 941,570,293.38
  5. Step 5: Solve for x
    x = 941,570,293.38/43,893.76
  6. Step 6: Final answer
    x = 21,451.12

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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.