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Finding the Fourth Proportional to 39,394.88, 59,092.55 and 9,812.72

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Solution

The fourth proportional to 39,394.88, 59,092.55 and 9,812.72 is: 14,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.88 : 59,092.55 = 9,812.72 : x
  2. Step 2: Convert to fraction form
    39,394.88/59,092.55 = 9,812.72/x
  3. Step 3: Cross multiply
    39,394.88x = 59,092.55 × 9,812.72
  4. Step 4: Simplify right side
    39,394.88x = 579,858,745.90
  5. Step 5: Solve for x
    x = 579,858,745.90/39,394.88
  6. Step 6: Final answer
    x = 14,719.14

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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.