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Finding the Fourth Proportional to 5,997.20, 8,995.80 and 5,770.40

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Solution

The fourth proportional to 5,997.20, 8,995.80 and 5,770.40 is: 8,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.20 : 8,995.80 = 5,770.40 : x
  2. Step 2: Convert to fraction form
    5,997.20/8,995.80 = 5,770.40/x
  3. Step 3: Cross multiply
    5,997.20x = 8,995.80 × 5,770.40
  4. Step 4: Simplify right side
    5,997.20x = 51,909,364.32
  5. Step 5: Solve for x
    x = 51,909,364.32/5,997.20
  6. Step 6: Final answer
    x = 8,655.60

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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.