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Finding the Fourth Proportional to 29,672.80, 44,509.20 and 25,007.20

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Solution

The fourth proportional to 29,672.80, 44,509.20 and 25,007.20 is: 37,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.80 : 44,509.20 = 25,007.20 : x
  2. Step 2: Convert to fraction form
    29,672.80/44,509.20 = 25,007.20/x
  3. Step 3: Cross multiply
    29,672.80x = 44,509.20 × 25,007.20
  4. Step 4: Simplify right side
    29,672.80x = 1,113,050,466.24
  5. Step 5: Solve for x
    x = 1,113,050,466.24/29,672.80
  6. Step 6: Final answer
    x = 37,510.80

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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.