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Finding the Fourth Proportional to 7,373.04, 11,053.20 and 3,474.72

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Solution

The fourth proportional to 7,373.04, 11,053.20 and 3,474.72 is: 5,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.04 : 11,053.20 = 3,474.72 : x
  2. Step 2: Convert to fraction form
    7,373.04/11,053.20 = 3,474.72/x
  3. Step 3: Cross multiply
    7,373.04x = 11,053.20 × 3,474.72
  4. Step 4: Simplify right side
    7,373.04x = 38,406,775.10
  5. Step 5: Solve for x
    x = 38,406,775.10/7,373.04
  6. Step 6: Final answer
    x = 5,209.08

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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.