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Finding the Fourth Proportional to 67,051.97, 100,577.94 and 17,132.16

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Solution

The fourth proportional to 67,051.97, 100,577.94 and 17,132.16 is: 25,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,051.97 : 100,577.94 = 17,132.16 : x
  2. Step 2: Convert to fraction form
    67,051.97/100,577.94 = 17,132.16/x
  3. Step 3: Cross multiply
    67,051.97x = 100,577.94 × 17,132.16
  4. Step 4: Simplify right side
    67,051.97x = 1,723,117,360.55
  5. Step 5: Solve for x
    x = 1,723,117,360.55/67,051.97
  6. Step 6: Final answer
    x = 25,698.24

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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.