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Finding the Fourth Proportional to 22,935.39, 34,408.02 and 7,140.09

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Solution

The fourth proportional to 22,935.39, 34,408.02 and 7,140.09 is: 10,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.39 : 34,408.02 = 7,140.09 : x
  2. Step 2: Convert to fraction form
    22,935.39/34,408.02 = 7,140.09/x
  3. Step 3: Cross multiply
    22,935.39x = 34,408.02 × 7,140.09
  4. Step 4: Simplify right side
    22,935.39x = 245,676,359.52
  5. Step 5: Solve for x
    x = 245,676,359.52/22,935.39
  6. Step 6: Final answer
    x = 10,711.67

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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.