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Finding the Fourth Proportional to 11,907.18, 17,808.30 and 10,600.20

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Solution

The fourth proportional to 11,907.18, 17,808.30 and 10,600.20 is: 15,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.18 : 17,808.30 = 10,600.20 : x
  2. Step 2: Convert to fraction form
    11,907.18/17,808.30 = 10,600.20/x
  3. Step 3: Cross multiply
    11,907.18x = 17,808.30 × 10,600.20
  4. Step 4: Simplify right side
    11,907.18x = 188,771,541.66
  5. Step 5: Solve for x
    x = 188,771,541.66/11,907.18
  6. Step 6: Final answer
    x = 15,853.59

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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.