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Finding the Fourth Proportional to 25,975.37, 38,953.49 and 9,330.93

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Solution

The fourth proportional to 25,975.37, 38,953.49 and 9,330.93 is: 13,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.37 : 38,953.49 = 9,330.93 : x
  2. Step 2: Convert to fraction form
    25,975.37/38,953.49 = 9,330.93/x
  3. Step 3: Cross multiply
    25,975.37x = 38,953.49 × 9,330.93
  4. Step 4: Simplify right side
    25,975.37x = 363,472,288.45
  5. Step 5: Solve for x
    x = 363,472,288.45/25,975.37
  6. Step 6: Final answer
    x = 13,992.96

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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.