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Finding the Fourth Proportional to 65,871.48, 98,807.48 and 15,951.50

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Solution

The fourth proportional to 65,871.48, 98,807.48 and 15,951.50 is: 23,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,871.48 : 98,807.48 = 15,951.50 : x
  2. Step 2: Convert to fraction form
    65,871.48/98,807.48 = 15,951.50/x
  3. Step 3: Cross multiply
    65,871.48x = 98,807.48 × 15,951.50
  4. Step 4: Simplify right side
    65,871.48x = 1,576,127,517.22
  5. Step 5: Solve for x
    x = 1,576,127,517.22/65,871.48
  6. Step 6: Final answer
    x = 23,927.31

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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.