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Finding the Fourth Proportional to 51,993.80, 77,943.47 and 27,004.59

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Solution

The fourth proportional to 51,993.80, 77,943.47 and 27,004.59 is: 40,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.80 : 77,943.47 = 27,004.59 : x
  2. Step 2: Convert to fraction form
    51,993.80/77,943.47 = 27,004.59/x
  3. Step 3: Cross multiply
    51,993.80x = 77,943.47 × 27,004.59
  4. Step 4: Simplify right side
    51,993.80x = 2,104,831,315.50
  5. Step 5: Solve for x
    x = 2,104,831,315.50/51,993.80
  6. Step 6: Final answer
    x = 40,482.35

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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.