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Finding the Fourth Proportional to 64,556.93, 96,840.98 and 17,809.81

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Solution

The fourth proportional to 64,556.93, 96,840.98 and 17,809.81 is: 26,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,556.93 : 96,840.98 = 17,809.81 : x
  2. Step 2: Convert to fraction form
    64,556.93/96,840.98 = 17,809.81/x
  3. Step 3: Cross multiply
    64,556.93x = 96,840.98 × 17,809.81
  4. Step 4: Simplify right side
    64,556.93x = 1,724,719,189.65
  5. Step 5: Solve for x
    x = 1,724,719,189.65/64,556.93
  6. Step 6: Final answer
    x = 26,716.25

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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.