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Finding the Fourth Proportional to 14,763.90, 22,171.45 and 10,411.90

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Solution

The fourth proportional to 14,763.90, 22,171.45 and 10,411.90 is: 15,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.90 : 22,171.45 = 10,411.90 : x
  2. Step 2: Convert to fraction form
    14,763.90/22,171.45 = 10,411.90/x
  3. Step 3: Cross multiply
    14,763.90x = 22,171.45 × 10,411.90
  4. Step 4: Simplify right side
    14,763.90x = 230,846,920.26
  5. Step 5: Solve for x
    x = 230,846,920.26/14,763.90
  6. Step 6: Final answer
    x = 15,635.90

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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.