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Finding the Fourth Proportional to 11,357.07, 17,041.07 and 4,782.43

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Solution

The fourth proportional to 11,357.07, 17,041.07 and 4,782.43 is: 7,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.07 : 17,041.07 = 4,782.43 : x
  2. Step 2: Convert to fraction form
    11,357.07/17,041.07 = 4,782.43/x
  3. Step 3: Cross multiply
    11,357.07x = 17,041.07 × 4,782.43
  4. Step 4: Simplify right side
    11,357.07x = 81,497,724.40
  5. Step 5: Solve for x
    x = 81,497,724.40/11,357.07
  6. Step 6: Final answer
    x = 7,175.95

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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.