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Finding the Fourth Proportional to 11,866.68, 17,800.02 and 4,075.56

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Solution

The fourth proportional to 11,866.68, 17,800.02 and 4,075.56 is: 6,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.68 : 17,800.02 = 4,075.56 : x
  2. Step 2: Convert to fraction form
    11,866.68/17,800.02 = 4,075.56/x
  3. Step 3: Cross multiply
    11,866.68x = 17,800.02 × 4,075.56
  4. Step 4: Simplify right side
    11,866.68x = 72,545,049.51
  5. Step 5: Solve for x
    x = 72,545,049.51/11,866.68
  6. Step 6: Final answer
    x = 6,113.34

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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.