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Finding the Fourth Proportional to 43,032, 64,548 and 13,848

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Solution

The fourth proportional to 43,032, 64,548 and 13,848 is: 20,772

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,032 : 64,548 = 13,848 : x
  2. Step 2: Convert to fraction form
    43,032/64,548 = 13,848/x
  3. Step 3: Cross multiply
    43,032x = 64,548 × 13,848
  4. Step 4: Simplify right side
    43,032x = 893,860,704
  5. Step 5: Solve for x
    x = 893,860,704/43,032
  6. Step 6: Final answer
    x = 20,772

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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.