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Finding the Fourth Proportional to 18,064.52, 27,075.99 and 6,965.66

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Solution

The fourth proportional to 18,064.52, 27,075.99 and 6,965.66 is: 10,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.52 : 27,075.99 = 6,965.66 : x
  2. Step 2: Convert to fraction form
    18,064.52/27,075.99 = 6,965.66/x
  3. Step 3: Cross multiply
    18,064.52x = 27,075.99 × 6,965.66
  4. Step 4: Simplify right side
    18,064.52x = 188,602,140.50
  5. Step 5: Solve for x
    x = 188,602,140.50/18,064.52
  6. Step 6: Final answer
    x = 10,440.47

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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.