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Finding the Fourth Proportional to 7,373.76, 11,052 and 3,477.12

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Solution

The fourth proportional to 7,373.76, 11,052 and 3,477.12 is: 5,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.76 : 11,052 = 3,477.12 : x
  2. Step 2: Convert to fraction form
    7,373.76/11,052 = 3,477.12/x
  3. Step 3: Cross multiply
    7,373.76x = 11,052 × 3,477.12
  4. Step 4: Simplify right side
    7,373.76x = 38,429,130.24
  5. Step 5: Solve for x
    x = 38,429,130.24/7,373.76
  6. Step 6: Final answer
    x = 5,211.61

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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.