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Finding the Fourth Proportional to 11,817.10, 16,573.10 and 11,817.10

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Solution

The fourth proportional to 11,817.10, 16,573.10 and 11,817.10 is: 16,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.10 : 16,573.10 = 11,817.10 : x
  2. Step 2: Convert to fraction form
    11,817.10/16,573.10 = 11,817.10/x
  3. Step 3: Cross multiply
    11,817.10x = 16,573.10 × 11,817.10
  4. Step 4: Simplify right side
    11,817.10x = 195,845,980.01
  5. Step 5: Solve for x
    x = 195,845,980.01/11,817.10
  6. Step 6: Final answer
    x = 16,573.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.