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Finding the Fourth Proportional to 14,265.59, 21,400.68 and 4,402.56

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Solution

The fourth proportional to 14,265.59, 21,400.68 and 4,402.56 is: 6,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.59 : 21,400.68 = 4,402.56 : x
  2. Step 2: Convert to fraction form
    14,265.59/21,400.68 = 4,402.56/x
  3. Step 3: Cross multiply
    14,265.59x = 21,400.68 × 4,402.56
  4. Step 4: Simplify right side
    14,265.59x = 94,217,777.74
  5. Step 5: Solve for x
    x = 94,217,777.74/14,265.59
  6. Step 6: Final answer
    x = 6,604.55

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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.