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Finding the Fourth Proportional to 9,648.54, 14,469.12 and 5,263.65

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Solution

The fourth proportional to 9,648.54, 14,469.12 and 5,263.65 is: 7,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.54 : 14,469.12 = 5,263.65 : x
  2. Step 2: Convert to fraction form
    9,648.54/14,469.12 = 5,263.65/x
  3. Step 3: Cross multiply
    9,648.54x = 14,469.12 × 5,263.65
  4. Step 4: Simplify right side
    9,648.54x = 76,160,383.49
  5. Step 5: Solve for x
    x = 76,160,383.49/9,648.54
  6. Step 6: Final answer
    x = 7,893.46

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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.