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Finding the Fourth Proportional to 5,907.64, 8,858.79 and 1,746.21

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Solution

The fourth proportional to 5,907.64, 8,858.79 and 1,746.21 is: 2,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.64 : 8,858.79 = 1,746.21 : x
  2. Step 2: Convert to fraction form
    5,907.64/8,858.79 = 1,746.21/x
  3. Step 3: Cross multiply
    5,907.64x = 8,858.79 × 1,746.21
  4. Step 4: Simplify right side
    5,907.64x = 15,469,307.69
  5. Step 5: Solve for x
    x = 15,469,307.69/5,907.64
  6. Step 6: Final answer
    x = 2,618.53

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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.