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Finding the Fourth Proportional to 14,617.87, 21,918.03 and 6,710.50

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Solution

The fourth proportional to 14,617.87, 21,918.03 and 6,710.50 is: 10,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.87 : 21,918.03 = 6,710.50 : x
  2. Step 2: Convert to fraction form
    14,617.87/21,918.03 = 6,710.50/x
  3. Step 3: Cross multiply
    14,617.87x = 21,918.03 × 6,710.50
  4. Step 4: Simplify right side
    14,617.87x = 147,080,830.72
  5. Step 5: Solve for x
    x = 147,080,830.72/14,617.87
  6. Step 6: Final answer
    x = 10,061.71

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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.