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Finding the Fourth Proportional to 14,800.05, 22,180.64 and 7,011.09

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Solution

The fourth proportional to 14,800.05, 22,180.64 and 7,011.09 is: 10,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.05 : 22,180.64 = 7,011.09 : x
  2. Step 2: Convert to fraction form
    14,800.05/22,180.64 = 7,011.09/x
  3. Step 3: Cross multiply
    14,800.05x = 22,180.64 × 7,011.09
  4. Step 4: Simplify right side
    14,800.05x = 155,510,428.24
  5. Step 5: Solve for x
    x = 155,510,428.24/14,800.05
  6. Step 6: Final answer
    x = 10,507.43

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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.