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Finding the Fourth Proportional to 43,647.84, 65,504.72 and 34,987.32

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Solution

The fourth proportional to 43,647.84, 65,504.72 and 34,987.32 is: 52,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647.84 : 65,504.72 = 34,987.32 : x
  2. Step 2: Convert to fraction form
    43,647.84/65,504.72 = 34,987.32/x
  3. Step 3: Cross multiply
    43,647.84x = 65,504.72 × 34,987.32
  4. Step 4: Simplify right side
    43,647.84x = 2,291,834,425.21
  5. Step 5: Solve for x
    x = 2,291,834,425.21/43,647.84
  6. Step 6: Final answer
    x = 52,507.40

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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.