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Finding the Fourth Proportional to 38,574.43, 57,821.95 and 17,529.11

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Solution

The fourth proportional to 38,574.43, 57,821.95 and 17,529.11 is: 26,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.43 : 57,821.95 = 17,529.11 : x
  2. Step 2: Convert to fraction form
    38,574.43/57,821.95 = 17,529.11/x
  3. Step 3: Cross multiply
    38,574.43x = 57,821.95 × 17,529.11
  4. Step 4: Simplify right side
    38,574.43x = 1,013,567,271.60
  5. Step 5: Solve for x
    x = 1,013,567,271.60/38,574.43
  6. Step 6: Final answer
    x = 26,275.63

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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.