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Finding the Fourth Proportional to 19,801.67, 27,325.67 and 10,849.10

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Solution

The fourth proportional to 19,801.67, 27,325.67 and 10,849.10 is: 14,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.67 : 27,325.67 = 10,849.10 : x
  2. Step 2: Convert to fraction form
    19,801.67/27,325.67 = 10,849.10/x
  3. Step 3: Cross multiply
    19,801.67x = 27,325.67 × 10,849.10
  4. Step 4: Simplify right side
    19,801.67x = 296,458,926.40
  5. Step 5: Solve for x
    x = 296,458,926.40/19,801.67
  6. Step 6: Final answer
    x = 14,971.41

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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.