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Finding the Fourth Proportional to 14,540.94, 21,812.22 and 4,679.46

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Solution

The fourth proportional to 14,540.94, 21,812.22 and 4,679.46 is: 7,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.94 : 21,812.22 = 4,679.46 : x
  2. Step 2: Convert to fraction form
    14,540.94/21,812.22 = 4,679.46/x
  3. Step 3: Cross multiply
    14,540.94x = 21,812.22 × 4,679.46
  4. Step 4: Simplify right side
    14,540.94x = 102,069,411.00
  5. Step 5: Solve for x
    x = 102,069,411.00/14,540.94
  6. Step 6: Final answer
    x = 7,019.45

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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.