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Finding the Fourth Proportional to 35,871.90, 53,817.09 and 14,815.19

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Solution

The fourth proportional to 35,871.90, 53,817.09 and 14,815.19 is: 22,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871.90 : 53,817.09 = 14,815.19 : x
  2. Step 2: Convert to fraction form
    35,871.90/53,817.09 = 14,815.19/x
  3. Step 3: Cross multiply
    35,871.90x = 53,817.09 × 14,815.19
  4. Step 4: Simplify right side
    35,871.90x = 797,310,144.51
  5. Step 5: Solve for x
    x = 797,310,144.51/35,871.90
  6. Step 6: Final answer
    x = 22,226.60

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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.