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Finding the Fourth Proportional to 55,574.25, 83,361.51 and 14,021.25

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Solution

The fourth proportional to 55,574.25, 83,361.51 and 14,021.25 is: 21,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.25 : 83,361.51 = 14,021.25 : x
  2. Step 2: Convert to fraction form
    55,574.25/83,361.51 = 14,021.25/x
  3. Step 3: Cross multiply
    55,574.25x = 83,361.51 × 14,021.25
  4. Step 4: Simplify right side
    55,574.25x = 1,168,832,572.09
  5. Step 5: Solve for x
    x = 1,168,832,572.09/55,574.25
  6. Step 6: Final answer
    x = 21,031.91

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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.