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Finding the Fourth Proportional to 19,804.78, 27,329.41 and 10,850.50

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Solution

The fourth proportional to 19,804.78, 27,329.41 and 10,850.50 is: 14,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.78 : 27,329.41 = 10,850.50 : x
  2. Step 2: Convert to fraction form
    19,804.78/27,329.41 = 10,850.50/x
  3. Step 3: Cross multiply
    19,804.78x = 27,329.41 × 10,850.50
  4. Step 4: Simplify right side
    19,804.78x = 296,537,763.21
  5. Step 5: Solve for x
    x = 296,537,763.21/19,804.78
  6. Step 6: Final answer
    x = 14,973.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.