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Finding the Fourth Proportional to 8,998.65, 13,497.87 and 3,075.48

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Solution

The fourth proportional to 8,998.65, 13,497.87 and 3,075.48 is: 4,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.65 : 13,497.87 = 3,075.48 : x
  2. Step 2: Convert to fraction form
    8,998.65/13,497.87 = 3,075.48/x
  3. Step 3: Cross multiply
    8,998.65x = 13,497.87 × 3,075.48
  4. Step 4: Simplify right side
    8,998.65x = 41,512,429.23
  5. Step 5: Solve for x
    x = 41,512,429.23/8,998.65
  6. Step 6: Final answer
    x = 4,613.18

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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.