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Finding the Fourth Proportional to 8,000.92, 11,038.19 and 5,011.55

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Solution

The fourth proportional to 8,000.92, 11,038.19 and 5,011.55 is: 6,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.92 : 11,038.19 = 5,011.55 : x
  2. Step 2: Convert to fraction form
    8,000.92/11,038.19 = 5,011.55/x
  3. Step 3: Cross multiply
    8,000.92x = 11,038.19 × 5,011.55
  4. Step 4: Simplify right side
    8,000.92x = 55,318,441.09
  5. Step 5: Solve for x
    x = 55,318,441.09/8,000.92
  6. Step 6: Final answer
    x = 6,914.01

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Half scale
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Double scale
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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.