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Finding the Fourth Proportional to 9,048.41, 12,486.81 and 5,511.63

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Solution

The fourth proportional to 9,048.41, 12,486.81 and 5,511.63 is: 7,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.41 : 12,486.81 = 5,511.63 : x
  2. Step 2: Convert to fraction form
    9,048.41/12,486.81 = 5,511.63/x
  3. Step 3: Cross multiply
    9,048.41x = 12,486.81 × 5,511.63
  4. Step 4: Simplify right side
    9,048.41x = 68,822,676.60
  5. Step 5: Solve for x
    x = 68,822,676.60/9,048.41
  6. Step 6: Final answer
    x = 7,606.05

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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.