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Finding the Fourth Proportional to 14,710.16, 20,299.92 and 7,995.62

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Solution

The fourth proportional to 14,710.16, 20,299.92 and 7,995.62 is: 11,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.16 : 20,299.92 = 7,995.62 : x
  2. Step 2: Convert to fraction form
    14,710.16/20,299.92 = 7,995.62/x
  3. Step 3: Cross multiply
    14,710.16x = 20,299.92 × 7,995.62
  4. Step 4: Simplify right side
    14,710.16x = 162,310,446.35
  5. Step 5: Solve for x
    x = 162,310,446.35/14,710.16
  6. Step 6: Final answer
    x = 11,033.90

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