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Finding the Fourth Proportional to 14,973.90, 22,433.85 and 8,728.80

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Solution

The fourth proportional to 14,973.90, 22,433.85 and 8,728.80 is: 13,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.90 : 22,433.85 = 8,728.80 : x
  2. Step 2: Convert to fraction form
    14,973.90/22,433.85 = 8,728.80/x
  3. Step 3: Cross multiply
    14,973.90x = 22,433.85 × 8,728.80
  4. Step 4: Simplify right side
    14,973.90x = 195,820,589.88
  5. Step 5: Solve for x
    x = 195,820,589.88/14,973.90
  6. Step 6: Final answer
    x = 13,077.46

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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.