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Finding the Fourth Proportional to 47,352.64, 71,040.53 and 15,762.64

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Solution

The fourth proportional to 47,352.64, 71,040.53 and 15,762.64 is: 23,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,352.64 : 71,040.53 = 15,762.64 : x
  2. Step 2: Convert to fraction form
    47,352.64/71,040.53 = 15,762.64/x
  3. Step 3: Cross multiply
    47,352.64x = 71,040.53 × 15,762.64
  4. Step 4: Simplify right side
    47,352.64x = 1,119,786,299.80
  5. Step 5: Solve for x
    x = 1,119,786,299.80/47,352.64
  6. Step 6: Final answer
    x = 23,647.81

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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.