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Finding the Fourth Proportional to 6,295.46, 9,443.19 and 1,615.49

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Solution

The fourth proportional to 6,295.46, 9,443.19 and 1,615.49 is: 2,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.46 : 9,443.19 = 1,615.49 : x
  2. Step 2: Convert to fraction form
    6,295.46/9,443.19 = 1,615.49/x
  3. Step 3: Cross multiply
    6,295.46x = 9,443.19 × 1,615.49
  4. Step 4: Simplify right side
    6,295.46x = 15,255,379.01
  5. Step 5: Solve for x
    x = 15,255,379.01/6,295.46
  6. Step 6: Final answer
    x = 2,423.24

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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.