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Finding the Fourth Proportional to 3,663.53, 5,497.11 and 1,715.88

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Solution

The fourth proportional to 3,663.53, 5,497.11 and 1,715.88 is: 2,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.53 : 5,497.11 = 1,715.88 : x
  2. Step 2: Convert to fraction form
    3,663.53/5,497.11 = 1,715.88/x
  3. Step 3: Cross multiply
    3,663.53x = 5,497.11 × 1,715.88
  4. Step 4: Simplify right side
    3,663.53x = 9,432,381.11
  5. Step 5: Solve for x
    x = 9,432,381.11/3,663.53
  6. Step 6: Final answer
    x = 2,574.67

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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.