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Finding the Fourth Proportional to 5,357.53, 8,030.08 and 3,168.10

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Solution

The fourth proportional to 5,357.53, 8,030.08 and 3,168.10 is: 4,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.53 : 8,030.08 = 3,168.10 : x
  2. Step 2: Convert to fraction form
    5,357.53/8,030.08 = 3,168.10/x
  3. Step 3: Cross multiply
    5,357.53x = 8,030.08 × 3,168.10
  4. Step 4: Simplify right side
    5,357.53x = 25,440,040.46
  5. Step 5: Solve for x
    x = 25,440,040.46/5,357.53
  6. Step 6: Final answer
    x = 4,748.47

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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.