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Finding the Fourth Proportional to 8,841.51, 12,198.21 and 5,483.10

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Solution

The fourth proportional to 8,841.51, 12,198.21 and 5,483.10 is: 7,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.51 : 12,198.21 = 5,483.10 : x
  2. Step 2: Convert to fraction form
    8,841.51/12,198.21 = 5,483.10/x
  3. Step 3: Cross multiply
    8,841.51x = 12,198.21 × 5,483.10
  4. Step 4: Simplify right side
    8,841.51x = 66,884,005.25
  5. Step 5: Solve for x
    x = 66,884,005.25/8,841.51
  6. Step 6: Final answer
    x = 7,564.77

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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.