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Finding the Fourth Proportional to 35,339.86, 53,016.28 and 11,648.82

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Solution

The fourth proportional to 35,339.86, 53,016.28 and 11,648.82 is: 17,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.86 : 53,016.28 = 11,648.82 : x
  2. Step 2: Convert to fraction form
    35,339.86/53,016.28 = 11,648.82/x
  3. Step 3: Cross multiply
    35,339.86x = 53,016.28 × 11,648.82
  4. Step 4: Simplify right side
    35,339.86x = 617,577,102.79
  5. Step 5: Solve for x
    x = 617,577,102.79/35,339.86
  6. Step 6: Final answer
    x = 17,475.37

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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.