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Finding the Fourth Proportional to 11,450.50, 15,801.69 and 6,482.50

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Solution

The fourth proportional to 11,450.50, 15,801.69 and 6,482.50 is: 8,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.50 : 15,801.69 = 6,482.50 : x
  2. Step 2: Convert to fraction form
    11,450.50/15,801.69 = 6,482.50/x
  3. Step 3: Cross multiply
    11,450.50x = 15,801.69 × 6,482.50
  4. Step 4: Simplify right side
    11,450.50x = 102,434,455.43
  5. Step 5: Solve for x
    x = 102,434,455.43/11,450.50
  6. Step 6: Final answer
    x = 8,945.85

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Double scale
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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.