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Finding the Fourth Proportional to 8,623.04, 11,898.90 and 5,266.67

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Solution

The fourth proportional to 8,623.04, 11,898.90 and 5,266.67 is: 7,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.04 : 11,898.90 = 5,266.67 : x
  2. Step 2: Convert to fraction form
    8,623.04/11,898.90 = 5,266.67/x
  3. Step 3: Cross multiply
    8,623.04x = 11,898.90 × 5,266.67
  4. Step 4: Simplify right side
    8,623.04x = 62,667,520.17
  5. Step 5: Solve for x
    x = 62,667,520.17/8,623.04
  6. Step 6: Final answer
    x = 7,267.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.