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Finding the Fourth Proportional to 14,560.36, 21,812.84 and 7,529.84

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Solution

The fourth proportional to 14,560.36, 21,812.84 and 7,529.84 is: 11,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.36 : 21,812.84 = 7,529.84 : x
  2. Step 2: Convert to fraction form
    14,560.36/21,812.84 = 7,529.84/x
  3. Step 3: Cross multiply
    14,560.36x = 21,812.84 × 7,529.84
  4. Step 4: Simplify right side
    14,560.36x = 164,247,158.47
  5. Step 5: Solve for x
    x = 164,247,158.47/14,560.36
  6. Step 6: Final answer
    x = 11,280.43

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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.