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Finding the Fourth Proportional to 14,248.57, 21,358.27 and 6,854.35

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Solution

The fourth proportional to 14,248.57, 21,358.27 and 6,854.35 is: 10,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.57 : 21,358.27 = 6,854.35 : x
  2. Step 2: Convert to fraction form
    14,248.57/21,358.27 = 6,854.35/x
  3. Step 3: Cross multiply
    14,248.57x = 21,358.27 × 6,854.35
  4. Step 4: Simplify right side
    14,248.57x = 146,397,057.97
  5. Step 5: Solve for x
    x = 146,397,057.97/14,248.57
  6. Step 6: Final answer
    x = 10,274.51

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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.