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Finding the Fourth Proportional to 66,969.03, 100,454.11 and 17,049.13

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Solution

The fourth proportional to 66,969.03, 100,454.11 and 17,049.13 is: 25,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,969.03 : 100,454.11 = 17,049.13 : x
  2. Step 2: Convert to fraction form
    66,969.03/100,454.11 = 17,049.13/x
  3. Step 3: Cross multiply
    66,969.03x = 100,454.11 × 17,049.13
  4. Step 4: Simplify right side
    66,969.03x = 1,712,655,451.72
  5. Step 5: Solve for x
    x = 1,712,655,451.72/66,969.03
  6. Step 6: Final answer
    x = 25,573.84

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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.