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Finding the Fourth Proportional to 52,654.88, 78,986.40 and 17,594.66

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Solution

The fourth proportional to 52,654.88, 78,986.40 and 17,594.66 is: 26,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654.88 : 78,986.40 = 17,594.66 : x
  2. Step 2: Convert to fraction form
    52,654.88/78,986.40 = 17,594.66/x
  3. Step 3: Cross multiply
    52,654.88x = 78,986.40 × 17,594.66
  4. Step 4: Simplify right side
    52,654.88x = 1,389,738,852.62
  5. Step 5: Solve for x
    x = 1,389,738,852.62/52,654.88
  6. Step 6: Final answer
    x = 26,393.35

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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.