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Finding the Fourth Proportional to 5,918.88, 8,875.23 and 1,758.32

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Solution

The fourth proportional to 5,918.88, 8,875.23 and 1,758.32 is: 2,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.88 : 8,875.23 = 1,758.32 : x
  2. Step 2: Convert to fraction form
    5,918.88/8,875.23 = 1,758.32/x
  3. Step 3: Cross multiply
    5,918.88x = 8,875.23 × 1,758.32
  4. Step 4: Simplify right side
    5,918.88x = 15,605,450.04
  5. Step 5: Solve for x
    x = 15,605,450.04/5,918.88
  6. Step 6: Final answer
    x = 2,636.55

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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.