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Finding the Fourth Proportional to 19,238.48, 28,868.52 and 8,851.04

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Solution

The fourth proportional to 19,238.48, 28,868.52 and 8,851.04 is: 13,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.48 : 28,868.52 = 8,851.04 : x
  2. Step 2: Convert to fraction form
    19,238.48/28,868.52 = 8,851.04/x
  3. Step 3: Cross multiply
    19,238.48x = 28,868.52 × 8,851.04
  4. Step 4: Simplify right side
    19,238.48x = 255,516,425.26
  5. Step 5: Solve for x
    x = 255,516,425.26/19,238.48
  6. Step 6: Final answer
    x = 13,281.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.