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Finding the Fourth Proportional to 65,314.65, 97,969.91 and 18,567.53

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Solution

The fourth proportional to 65,314.65, 97,969.91 and 18,567.53 is: 27,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,314.65 : 97,969.91 = 18,567.53 : x
  2. Step 2: Convert to fraction form
    65,314.65/97,969.91 = 18,567.53/x
  3. Step 3: Cross multiply
    65,314.65x = 97,969.91 × 18,567.53
  4. Step 4: Simplify right side
    65,314.65x = 1,819,059,027.72
  5. Step 5: Solve for x
    x = 1,819,059,027.72/65,314.65
  6. Step 6: Final answer
    x = 27,850.70

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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.