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Finding the Fourth Proportional to 18,510.56, 27,765.80 and 6,030.56

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Solution

The fourth proportional to 18,510.56, 27,765.80 and 6,030.56 is: 9,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.56 : 27,765.80 = 6,030.56 : x
  2. Step 2: Convert to fraction form
    18,510.56/27,765.80 = 6,030.56/x
  3. Step 3: Cross multiply
    18,510.56x = 27,765.80 × 6,030.56
  4. Step 4: Simplify right side
    18,510.56x = 167,443,199.10
  5. Step 5: Solve for x
    x = 167,443,199.10/18,510.56
  6. Step 6: Final answer
    x = 9,045.82

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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.