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Finding the Fourth Proportional to 64,941.21, 97,410.75 and 20,567.88

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Solution

The fourth proportional to 64,941.21, 97,410.75 and 20,567.88 is: 30,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,941.21 : 97,410.75 = 20,567.88 : x
  2. Step 2: Convert to fraction form
    64,941.21/97,410.75 = 20,567.88/x
  3. Step 3: Cross multiply
    64,941.21x = 97,410.75 × 20,567.88
  4. Step 4: Simplify right side
    64,941.21x = 2,003,532,616.71
  5. Step 5: Solve for x
    x = 2,003,532,616.71/64,941.21
  6. Step 6: Final answer
    x = 30,851.48

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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.