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Finding the Fourth Proportional to 19,854.03, 29,786.52 and 6,715.63

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Solution

The fourth proportional to 19,854.03, 29,786.52 and 6,715.63 is: 10,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.03 : 29,786.52 = 6,715.63 : x
  2. Step 2: Convert to fraction form
    19,854.03/29,786.52 = 6,715.63/x
  3. Step 3: Cross multiply
    19,854.03x = 29,786.52 × 6,715.63
  4. Step 4: Simplify right side
    19,854.03x = 200,035,247.31
  5. Step 5: Solve for x
    x = 200,035,247.31/19,854.03
  6. Step 6: Final answer
    x = 10,075.30

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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.