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Finding the Fourth Proportional to 19,606.40, 29,425.80 and 9,092.60

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Solution

The fourth proportional to 19,606.40, 29,425.80 and 9,092.60 is: 13,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.40 : 29,425.80 = 9,092.60 : x
  2. Step 2: Convert to fraction form
    19,606.40/29,425.80 = 9,092.60/x
  3. Step 3: Cross multiply
    19,606.40x = 29,425.80 × 9,092.60
  4. Step 4: Simplify right side
    19,606.40x = 267,557,029.08
  5. Step 5: Solve for x
    x = 267,557,029.08/19,606.40
  6. Step 6: Final answer
    x = 13,646.41

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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.