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Finding the Fourth Proportional to 17,390.88, 26,041.44 and 11,529.12

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Solution

The fourth proportional to 17,390.88, 26,041.44 and 11,529.12 is: 17,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.88 : 26,041.44 = 11,529.12 : x
  2. Step 2: Convert to fraction form
    17,390.88/26,041.44 = 11,529.12/x
  3. Step 3: Cross multiply
    17,390.88x = 26,041.44 × 11,529.12
  4. Step 4: Simplify right side
    17,390.88x = 300,234,886.73
  5. Step 5: Solve for x
    x = 300,234,886.73/17,390.88
  6. Step 6: Final answer
    x = 17,263.93

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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.