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Finding the Fourth Proportional to 43,878.37, 65,825.72 and 17,585.16

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Solution

The fourth proportional to 43,878.37, 65,825.72 and 17,585.16 is: 26,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,878.37 : 65,825.72 = 17,585.16 : x
  2. Step 2: Convert to fraction form
    43,878.37/65,825.72 = 17,585.16/x
  3. Step 3: Cross multiply
    43,878.37x = 65,825.72 × 17,585.16
  4. Step 4: Simplify right side
    43,878.37x = 1,157,555,862.28
  5. Step 5: Solve for x
    x = 1,157,555,862.28/43,878.37
  6. Step 6: Final answer
    x = 26,381.01

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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.