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Finding the Fourth Proportional to 11,704.95, 17,557.43 and 7,039.35

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Solution

The fourth proportional to 11,704.95, 17,557.43 and 7,039.35 is: 10,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.95 : 17,557.43 = 7,039.35 : x
  2. Step 2: Convert to fraction form
    11,704.95/17,557.43 = 7,039.35/x
  3. Step 3: Cross multiply
    11,704.95x = 17,557.43 × 7,039.35
  4. Step 4: Simplify right side
    11,704.95x = 123,592,859.67
  5. Step 5: Solve for x
    x = 123,592,859.67/11,704.95
  6. Step 6: Final answer
    x = 10,559.03

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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.