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Finding the Fourth Proportional to 56,361.01, 84,554.47 and 16,918.87

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Solution

The fourth proportional to 56,361.01, 84,554.47 and 16,918.87 is: 25,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,361.01 : 84,554.47 = 16,918.87 : x
  2. Step 2: Convert to fraction form
    56,361.01/84,554.47 = 16,918.87/x
  3. Step 3: Cross multiply
    56,361.01x = 84,554.47 × 16,918.87
  4. Step 4: Simplify right side
    56,361.01x = 1,430,566,085.85
  5. Step 5: Solve for x
    x = 1,430,566,085.85/56,361.01
  6. Step 6: Final answer
    x = 25,382.19

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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.