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Finding the Fourth Proportional to 24,663, 34,035.78 and 13,485.72

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Solution

The fourth proportional to 24,663, 34,035.78 and 13,485.72 is: 18,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,663 : 34,035.78 = 13,485.72 : x
  2. Step 2: Convert to fraction form
    24,663/34,035.78 = 13,485.72/x
  3. Step 3: Cross multiply
    24,663x = 34,035.78 × 13,485.72
  4. Step 4: Simplify right side
    24,663x = 458,996,999.06
  5. Step 5: Solve for x
    x = 458,996,999.06/24,663
  6. Step 6: Final answer
    x = 18,610.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.