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Finding the Fourth Proportional to 35,364, 48,804.96 and 20,261.36

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Solution

The fourth proportional to 35,364, 48,804.96 and 20,261.36 is: 27,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,364 : 48,804.96 = 20,261.36 : x
  2. Step 2: Convert to fraction form
    35,364/48,804.96 = 20,261.36/x
  3. Step 3: Cross multiply
    35,364x = 48,804.96 × 20,261.36
  4. Step 4: Simplify right side
    35,364x = 988,854,864.35
  5. Step 5: Solve for x
    x = 988,854,864.35/35,364
  6. Step 6: Final answer
    x = 27,962.19

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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.