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Finding the Fourth Proportional to 65,352.01, 98,018.75 and 20,973.02

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Solution

The fourth proportional to 65,352.01, 98,018.75 and 20,973.02 is: 31,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.01 : 98,018.75 = 20,973.02 : x
  2. Step 2: Convert to fraction form
    65,352.01/98,018.75 = 20,973.02/x
  3. Step 3: Cross multiply
    65,352.01x = 98,018.75 × 20,973.02
  4. Step 4: Simplify right side
    65,352.01x = 2,055,749,204.13
  5. Step 5: Solve for x
    x = 2,055,749,204.13/65,352.01
  6. Step 6: Final answer
    x = 31,456.56

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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.