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Finding the Fourth Proportional to 5,855.67, 8,795.75 and 4,978.04

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Solution

The fourth proportional to 5,855.67, 8,795.75 and 4,978.04 is: 7,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.67 : 8,795.75 = 4,978.04 : x
  2. Step 2: Convert to fraction form
    5,855.67/8,795.75 = 4,978.04/x
  3. Step 3: Cross multiply
    5,855.67x = 8,795.75 × 4,978.04
  4. Step 4: Simplify right side
    5,855.67x = 43,785,526.46
  5. Step 5: Solve for x
    x = 43,785,526.46/5,855.67
  6. Step 6: Final answer
    x = 7,477.46

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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.