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Finding the Fourth Proportional to 17,053.94, 25,587.84 and 13,580.66

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Solution

The fourth proportional to 17,053.94, 25,587.84 and 13,580.66 is: 20,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,053.94 : 25,587.84 = 13,580.66 : x
  2. Step 2: Convert to fraction form
    17,053.94/25,587.84 = 13,580.66/x
  3. Step 3: Cross multiply
    17,053.94x = 25,587.84 × 13,580.66
  4. Step 4: Simplify right side
    17,053.94x = 347,499,755.17
  5. Step 5: Solve for x
    x = 347,499,755.17/17,053.94
  6. Step 6: Final answer
    x = 20,376.51

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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.