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Finding the Fourth Proportional to 9,591.40, 14,387.10 and 8,846.20

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Solution

The fourth proportional to 9,591.40, 14,387.10 and 8,846.20 is: 13,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.40 : 14,387.10 = 8,846.20 : x
  2. Step 2: Convert to fraction form
    9,591.40/14,387.10 = 8,846.20/x
  3. Step 3: Cross multiply
    9,591.40x = 14,387.10 × 8,846.20
  4. Step 4: Simplify right side
    9,591.40x = 127,271,164.02
  5. Step 5: Solve for x
    x = 127,271,164.02/9,591.40
  6. Step 6: Final answer
    x = 13,269.30

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Half 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.