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Finding the Fourth Proportional to 11,076.70, 16,615.05 and 5,547.10

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Solution

The fourth proportional to 11,076.70, 16,615.05 and 5,547.10 is: 8,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.70 : 16,615.05 = 5,547.10 : x
  2. Step 2: Convert to fraction form
    11,076.70/16,615.05 = 5,547.10/x
  3. Step 3: Cross multiply
    11,076.70x = 16,615.05 × 5,547.10
  4. Step 4: Simplify right side
    11,076.70x = 92,165,343.86
  5. Step 5: Solve for x
    x = 92,165,343.86/11,076.70
  6. Step 6: Final answer
    x = 8,320.65

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