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Finding the Fourth Proportional to 43,845.51, 65,752.11 and 15,758.07

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Solution

The fourth proportional to 43,845.51, 65,752.11 and 15,758.07 is: 23,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,845.51 : 65,752.11 = 15,758.07 : x
  2. Step 2: Convert to fraction form
    43,845.51/65,752.11 = 15,758.07/x
  3. Step 3: Cross multiply
    43,845.51x = 65,752.11 × 15,758.07
  4. Step 4: Simplify right side
    43,845.51x = 1,036,126,352.03
  5. Step 5: Solve for x
    x = 1,036,126,352.03/43,845.51
  6. Step 6: Final answer
    x = 23,631.30

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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.