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Finding the Fourth Proportional to 65,352.33, 98,019.21 and 20,973.35

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Solution

The fourth proportional to 65,352.33, 98,019.21 and 20,973.35 is: 31,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.33 : 98,019.21 = 20,973.35 : x
  2. Step 2: Convert to fraction form
    65,352.33/98,019.21 = 20,973.35/x
  3. Step 3: Cross multiply
    65,352.33x = 98,019.21 × 20,973.35
  4. Step 4: Simplify right side
    65,352.33x = 2,055,790,707.96
  5. Step 5: Solve for x
    x = 2,055,790,707.96/65,352.33
  6. Step 6: Final answer
    x = 31,457.04

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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.