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Finding the Fourth Proportional to 35,062.40, 52,593.60 and 21,238.40

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Solution

The fourth proportional to 35,062.40, 52,593.60 and 21,238.40 is: 31,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,062.40 : 52,593.60 = 21,238.40 : x
  2. Step 2: Convert to fraction form
    35,062.40/52,593.60 = 21,238.40/x
  3. Step 3: Cross multiply
    35,062.40x = 52,593.60 × 21,238.40
  4. Step 4: Simplify right side
    35,062.40x = 1,117,003,914.24
  5. Step 5: Solve for x
    x = 1,117,003,914.24/35,062.40
  6. Step 6: Final answer
    x = 31,857.60

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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.