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Finding the Fourth Proportional to 58,859.30, 81,244.41 and 37,638.65

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Solution

The fourth proportional to 58,859.30, 81,244.41 and 37,638.65 is: 51,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,859.30 : 81,244.41 = 37,638.65 : x
  2. Step 2: Convert to fraction form
    58,859.30/81,244.41 = 37,638.65/x
  3. Step 3: Cross multiply
    58,859.30x = 81,244.41 × 37,638.65
  4. Step 4: Simplify right side
    58,859.30x = 3,057,929,912.45
  5. Step 5: Solve for x
    x = 3,057,929,912.45/58,859.30
  6. Step 6: Final answer
    x = 51,953.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.