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Finding the Fourth Proportional to 64,871.28, 97,248.36 and 23,308.56

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Solution

The fourth proportional to 64,871.28, 97,248.36 and 23,308.56 is: 34,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,871.28 : 97,248.36 = 23,308.56 : x
  2. Step 2: Convert to fraction form
    64,871.28/97,248.36 = 23,308.56/x
  3. Step 3: Cross multiply
    64,871.28x = 97,248.36 × 23,308.56
  4. Step 4: Simplify right side
    64,871.28x = 2,266,719,233.96
  5. Step 5: Solve for x
    x = 2,266,719,233.96/64,871.28
  6. Step 6: Final answer
    x = 34,941.80

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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.