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Finding the Fourth Proportional to 4,840.65, 7,251.96 and 4,065.68

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Solution

The fourth proportional to 4,840.65, 7,251.96 and 4,065.68 is: 6,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.65 : 7,251.96 = 4,065.68 : x
  2. Step 2: Convert to fraction form
    4,840.65/7,251.96 = 4,065.68/x
  3. Step 3: Cross multiply
    4,840.65x = 7,251.96 × 4,065.68
  4. Step 4: Simplify right side
    4,840.65x = 29,484,182.11
  5. Step 5: Solve for x
    x = 29,484,182.11/4,840.65
  6. Step 6: Final answer
    x = 6,090.96

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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.