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Finding the Fourth Proportional to 55,797.01, 83,707.83 and 18,368.59

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Solution

The fourth proportional to 55,797.01, 83,707.83 and 18,368.59 is: 27,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.01 : 83,707.83 = 18,368.59 : x
  2. Step 2: Convert to fraction form
    55,797.01/83,707.83 = 18,368.59/x
  3. Step 3: Cross multiply
    55,797.01x = 83,707.83 × 18,368.59
  4. Step 4: Simplify right side
    55,797.01x = 1,537,594,809.06
  5. Step 5: Solve for x
    x = 1,537,594,809.06/55,797.01
  6. Step 6: Final answer
    x = 27,556.94

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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.