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Finding the Fourth Proportional to 14,571.90, 21,843.45 and 5,795.10

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Solution

The fourth proportional to 14,571.90, 21,843.45 and 5,795.10 is: 8,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.90 : 21,843.45 = 5,795.10 : x
  2. Step 2: Convert to fraction form
    14,571.90/21,843.45 = 5,795.10/x
  3. Step 3: Cross multiply
    14,571.90x = 21,843.45 × 5,795.10
  4. Step 4: Simplify right side
    14,571.90x = 126,584,977.10
  5. Step 5: Solve for x
    x = 126,584,977.10/14,571.90
  6. Step 6: Final answer
    x = 8,686.92

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1.5x scale

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.