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Finding the Fourth Proportional to 35,239.77, 52,871.18 and 13,054.77

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Solution

The fourth proportional to 35,239.77, 52,871.18 and 13,054.77 is: 19,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,239.77 : 52,871.18 = 13,054.77 : x
  2. Step 2: Convert to fraction form
    35,239.77/52,871.18 = 13,054.77/x
  3. Step 3: Cross multiply
    35,239.77x = 52,871.18 × 13,054.77
  4. Step 4: Simplify right side
    35,239.77x = 690,221,029.25
  5. Step 5: Solve for x
    x = 690,221,029.25/35,239.77
  6. Step 6: Final answer
    x = 19,586.42

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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.