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Finding the Fourth Proportional to 64,847.50, 97,271.28 and 15,599.50

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Solution

The fourth proportional to 64,847.50, 97,271.28 and 15,599.50 is: 23,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,847.50 : 97,271.28 = 15,599.50 : x
  2. Step 2: Convert to fraction form
    64,847.50/97,271.28 = 15,599.50/x
  3. Step 3: Cross multiply
    64,847.50x = 97,271.28 × 15,599.50
  4. Step 4: Simplify right side
    64,847.50x = 1,517,383,332.36
  5. Step 5: Solve for x
    x = 1,517,383,332.36/64,847.50
  6. Step 6: Final answer
    x = 23,399.26

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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.