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Finding the Fourth Proportional to 43,848.08, 65,772.72 and 14,266.08

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Solution

The fourth proportional to 43,848.08, 65,772.72 and 14,266.08 is: 21,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,848.08 : 65,772.72 = 14,266.08 : x
  2. Step 2: Convert to fraction form
    43,848.08/65,772.72 = 14,266.08/x
  3. Step 3: Cross multiply
    43,848.08x = 65,772.72 × 14,266.08
  4. Step 4: Simplify right side
    43,848.08x = 938,318,885.34
  5. Step 5: Solve for x
    x = 938,318,885.34/43,848.08
  6. Step 6: Final answer
    x = 21,399.32

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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.