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Finding the Fourth Proportional to 25,332.70, 37,992.54 and 11,992.54

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Solution

The fourth proportional to 25,332.70, 37,992.54 and 11,992.54 is: 17,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,332.70 : 37,992.54 = 11,992.54 : x
  2. Step 2: Convert to fraction form
    25,332.70/37,992.54 = 11,992.54/x
  3. Step 3: Cross multiply
    25,332.70x = 37,992.54 × 11,992.54
  4. Step 4: Simplify right side
    25,332.70x = 455,627,055.65
  5. Step 5: Solve for x
    x = 455,627,055.65/25,332.70
  6. Step 6: Final answer
    x = 17,985.73

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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.