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Finding the Fourth Proportional to 35,504.88, 48,981.24 and 21,349.60

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Solution

The fourth proportional to 35,504.88, 48,981.24 and 21,349.60 is: 29,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,504.88 : 48,981.24 = 21,349.60 : x
  2. Step 2: Convert to fraction form
    35,504.88/48,981.24 = 21,349.60/x
  3. Step 3: Cross multiply
    35,504.88x = 48,981.24 × 21,349.60
  4. Step 4: Simplify right side
    35,504.88x = 1,045,729,881.50
  5. Step 5: Solve for x
    x = 1,045,729,881.50/35,504.88
  6. Step 6: Final answer
    x = 29,453.13

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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.