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Finding the Fourth Proportional to 7,155.36, 10,735.98 and 4,031.52

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Solution

The fourth proportional to 7,155.36, 10,735.98 and 4,031.52 is: 6,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.36 : 10,735.98 = 4,031.52 : x
  2. Step 2: Convert to fraction form
    7,155.36/10,735.98 = 4,031.52/x
  3. Step 3: Cross multiply
    7,155.36x = 10,735.98 × 4,031.52
  4. Step 4: Simplify right side
    7,155.36x = 43,282,318.09
  5. Step 5: Solve for x
    x = 43,282,318.09/7,155.36
  6. Step 6: Final answer
    x = 6,048.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.