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Finding the Fourth Proportional to 14,344.61, 21,515.54 and 4,983.17

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Solution

The fourth proportional to 14,344.61, 21,515.54 and 4,983.17 is: 7,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.61 : 21,515.54 = 4,983.17 : x
  2. Step 2: Convert to fraction form
    14,344.61/21,515.54 = 4,983.17/x
  3. Step 3: Cross multiply
    14,344.61x = 21,515.54 × 4,983.17
  4. Step 4: Simplify right side
    14,344.61x = 107,215,460.97
  5. Step 5: Solve for x
    x = 107,215,460.97/14,344.61
  6. Step 6: Final answer
    x = 7,474.27

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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.