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Finding the Fourth Proportional to 11,943.65, 17,907.18 and 5,699.30

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Solution

The fourth proportional to 11,943.65, 17,907.18 and 5,699.30 is: 8,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.65 : 17,907.18 = 5,699.30 : x
  2. Step 2: Convert to fraction form
    11,943.65/17,907.18 = 5,699.30/x
  3. Step 3: Cross multiply
    11,943.65x = 17,907.18 × 5,699.30
  4. Step 4: Simplify right side
    11,943.65x = 102,058,280.07
  5. Step 5: Solve for x
    x = 102,058,280.07/11,943.65
  6. Step 6: Final answer
    x = 8,544.98

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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.