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Finding the Fourth Proportional to 17,886.98, 26,830.98 and 4,739.34

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Solution

The fourth proportional to 17,886.98, 26,830.98 and 4,739.34 is: 7,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.98 : 26,830.98 = 4,739.34 : x
  2. Step 2: Convert to fraction form
    17,886.98/26,830.98 = 4,739.34/x
  3. Step 3: Cross multiply
    17,886.98x = 26,830.98 × 4,739.34
  4. Step 4: Simplify right side
    17,886.98x = 127,161,237.37
  5. Step 5: Solve for x
    x = 127,161,237.37/17,886.98
  6. Step 6: Final answer
    x = 7,109.15

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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.