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Finding the Fourth Proportional to 6,104.80, 9,157.20 and 5,667.40

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Solution

The fourth proportional to 6,104.80, 9,157.20 and 5,667.40 is: 8,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,104.80 : 9,157.20 = 5,667.40 : x
  2. Step 2: Convert to fraction form
    6,104.80/9,157.20 = 5,667.40/x
  3. Step 3: Cross multiply
    6,104.80x = 9,157.20 × 5,667.40
  4. Step 4: Simplify right side
    6,104.80x = 51,897,515.28
  5. Step 5: Solve for x
    x = 51,897,515.28/6,104.80
  6. Step 6: Final answer
    x = 8,501.10

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Half scale
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Double scale
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Similar ratio
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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.