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Finding the Fourth Proportional to 30,521.88, 45,990.79 and 25,096.75

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Solution

The fourth proportional to 30,521.88, 45,990.79 and 25,096.75 is: 37,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.88 : 45,990.79 = 25,096.75 : x
  2. Step 2: Convert to fraction form
    30,521.88/45,990.79 = 25,096.75/x
  3. Step 3: Cross multiply
    30,521.88x = 45,990.79 × 25,096.75
  4. Step 4: Simplify right side
    30,521.88x = 1,154,219,358.93
  5. Step 5: Solve for x
    x = 1,154,219,358.93/30,521.88
  6. Step 6: Final answer
    x = 37,816.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.