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Finding the Fourth Proportional to 17,505.94, 26,250.15 and 5,815.06

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Solution

The fourth proportional to 17,505.94, 26,250.15 and 5,815.06 is: 8,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,505.94 : 26,250.15 = 5,815.06 : x
  2. Step 2: Convert to fraction form
    17,505.94/26,250.15 = 5,815.06/x
  3. Step 3: Cross multiply
    17,505.94x = 26,250.15 × 5,815.06
  4. Step 4: Simplify right side
    17,505.94x = 152,646,197.26
  5. Step 5: Solve for x
    x = 152,646,197.26/17,505.94
  6. Step 6: Final answer
    x = 8,719.68

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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.