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Finding the Fourth Proportional to 7,263, 10,873.85 and 4,790.28

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Solution

The fourth proportional to 7,263, 10,873.85 and 4,790.28 is: 7,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263 : 10,873.85 = 4,790.28 : x
  2. Step 2: Convert to fraction form
    7,263/10,873.85 = 4,790.28/x
  3. Step 3: Cross multiply
    7,263x = 10,873.85 × 4,790.28
  4. Step 4: Simplify right side
    7,263x = 52,088,762.23
  5. Step 5: Solve for x
    x = 52,088,762.23/7,263
  6. Step 6: Final answer
    x = 7,171.80

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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.