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Finding the Fourth Proportional to 65,589.93, 90,509.94 and 36,907.02

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Solution

The fourth proportional to 65,589.93, 90,509.94 and 36,907.02 is: 50,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589.93 : 90,509.94 = 36,907.02 : x
  2. Step 2: Convert to fraction form
    65,589.93/90,509.94 = 36,907.02/x
  3. Step 3: Cross multiply
    65,589.93x = 90,509.94 × 36,907.02
  4. Step 4: Simplify right side
    65,589.93x = 3,340,452,165.78
  5. Step 5: Solve for x
    x = 3,340,452,165.78/65,589.93
  6. Step 6: Final answer
    x = 50,929.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.