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Finding the Fourth Proportional to 14,103.02, 19,461.92 and 7,815.26

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Solution

The fourth proportional to 14,103.02, 19,461.92 and 7,815.26 is: 10,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.02 : 19,461.92 = 7,815.26 : x
  2. Step 2: Convert to fraction form
    14,103.02/19,461.92 = 7,815.26/x
  3. Step 3: Cross multiply
    14,103.02x = 19,461.92 × 7,815.26
  4. Step 4: Simplify right side
    14,103.02x = 152,099,964.90
  5. Step 5: Solve for x
    x = 152,099,964.90/14,103.02
  6. Step 6: Final answer
    x = 10,784.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.