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Finding the Fourth Proportional to 7,144.98, 9,850.92 and 5,548.92

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Solution

The fourth proportional to 7,144.98, 9,850.92 and 5,548.92 is: 7,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.98 : 9,850.92 = 5,548.92 : x
  2. Step 2: Convert to fraction form
    7,144.98/9,850.92 = 5,548.92/x
  3. Step 3: Cross multiply
    7,144.98x = 9,850.92 × 5,548.92
  4. Step 4: Simplify right side
    7,144.98x = 54,661,967.01
  5. Step 5: Solve for x
    x = 54,661,967.01/7,144.98
  6. Step 6: Final answer
    x = 7,650.40

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Half scale
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Double scale
Find fourth proportional to 7,145.98, 9,852.30 and 5,549.92
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.