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Finding the Fourth Proportional to 9,422.46, 12,995.71 and 6,903.63

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Solution

The fourth proportional to 9,422.46, 12,995.71 and 6,903.63 is: 9,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.46 : 12,995.71 = 6,903.63 : x
  2. Step 2: Convert to fraction form
    9,422.46/12,995.71 = 6,903.63/x
  3. Step 3: Cross multiply
    9,422.46x = 12,995.71 × 6,903.63
  4. Step 4: Simplify right side
    9,422.46x = 89,717,556.17
  5. Step 5: Solve for x
    x = 89,717,556.17/9,422.46
  6. Step 6: Final answer
    x = 9,521.67

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.