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Finding the Fourth Proportional to 6,673.44, 9,210.23 and 6,454.38

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Solution

The fourth proportional to 6,673.44, 9,210.23 and 6,454.38 is: 8,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.44 : 9,210.23 = 6,454.38 : x
  2. Step 2: Convert to fraction form
    6,673.44/9,210.23 = 6,454.38/x
  3. Step 3: Cross multiply
    6,673.44x = 9,210.23 × 6,454.38
  4. Step 4: Simplify right side
    6,673.44x = 59,446,324.31
  5. Step 5: Solve for x
    x = 59,446,324.31/6,673.44
  6. Step 6: Final answer
    x = 8,907.90

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Half scale
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Double scale
Find fourth proportional to 6,674.44, 9,211.61 and 6,455.38
Similar ratio
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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.