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Finding the Fourth Proportional to 18,359.28, 27,526.50 and 10,032.48

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Solution

The fourth proportional to 18,359.28, 27,526.50 and 10,032.48 is: 15,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.28 : 27,526.50 = 10,032.48 : x
  2. Step 2: Convert to fraction form
    18,359.28/27,526.50 = 10,032.48/x
  3. Step 3: Cross multiply
    18,359.28x = 27,526.50 × 10,032.48
  4. Step 4: Simplify right side
    18,359.28x = 276,159,060.72
  5. Step 5: Solve for x
    x = 276,159,060.72/18,359.28
  6. Step 6: Final answer
    x = 15,041.93

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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.