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Finding the Fourth Proportional to 11,841.74, 17,750.28 and 4,818.74

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Solution

The fourth proportional to 11,841.74, 17,750.28 and 4,818.74 is: 7,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.74 : 17,750.28 = 4,818.74 : x
  2. Step 2: Convert to fraction form
    11,841.74/17,750.28 = 4,818.74/x
  3. Step 3: Cross multiply
    11,841.74x = 17,750.28 × 4,818.74
  4. Step 4: Simplify right side
    11,841.74x = 85,533,984.25
  5. Step 5: Solve for x
    x = 85,533,984.25/11,841.74
  6. Step 6: Final answer
    x = 7,223.09

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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.