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Finding the Fourth Proportional to 9,793.10, 14,689.65 and 7,460.30

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Solution

The fourth proportional to 9,793.10, 14,689.65 and 7,460.30 is: 11,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.10 : 14,689.65 = 7,460.30 : x
  2. Step 2: Convert to fraction form
    9,793.10/14,689.65 = 7,460.30/x
  3. Step 3: Cross multiply
    9,793.10x = 14,689.65 × 7,460.30
  4. Step 4: Simplify right side
    9,793.10x = 109,589,195.90
  5. Step 5: Solve for x
    x = 109,589,195.90/9,793.10
  6. Step 6: Final answer
    x = 11,190.45

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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.