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Finding the Fourth Proportional to 32,014.40, 48,028.80 and 9,828.80

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Solution

The fourth proportional to 32,014.40, 48,028.80 and 9,828.80 is: 14,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,014.40 : 48,028.80 = 9,828.80 : x
  2. Step 2: Convert to fraction form
    32,014.40/48,028.80 = 9,828.80/x
  3. Step 3: Cross multiply
    32,014.40x = 48,028.80 × 9,828.80
  4. Step 4: Simplify right side
    32,014.40x = 472,065,469.44
  5. Step 5: Solve for x
    x = 472,065,469.44/32,014.40
  6. Step 6: Final answer
    x = 14,745.41

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1.5x scale

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.