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Finding the Fourth Proportional to 7,250.40, 10,870.12 and 3,736.62

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Solution

The fourth proportional to 7,250.40, 10,870.12 and 3,736.62 is: 5,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.40 : 10,870.12 = 3,736.62 : x
  2. Step 2: Convert to fraction form
    7,250.40/10,870.12 = 3,736.62/x
  3. Step 3: Cross multiply
    7,250.40x = 10,870.12 × 3,736.62
  4. Step 4: Simplify right side
    7,250.40x = 40,617,507.79
  5. Step 5: Solve for x
    x = 40,617,507.79/7,250.40
  6. Step 6: Final answer
    x = 5,602.11

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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.