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Finding the Fourth Proportional to 11,461.20, 17,216.10 and 11,048.10

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Solution

The fourth proportional to 11,461.20, 17,216.10 and 11,048.10 is: 16,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.20 : 17,216.10 = 11,048.10 : x
  2. Step 2: Convert to fraction form
    11,461.20/17,216.10 = 11,048.10/x
  3. Step 3: Cross multiply
    11,461.20x = 17,216.10 × 11,048.10
  4. Step 4: Simplify right side
    11,461.20x = 190,205,194.41
  5. Step 5: Solve for x
    x = 190,205,194.41/11,461.20
  6. Step 6: Final answer
    x = 16,595.57

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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.