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Finding the Fourth Proportional to 14,558.80, 21,838.20 and 9,950.80

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Solution

The fourth proportional to 14,558.80, 21,838.20 and 9,950.80 is: 14,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.80 : 21,838.20 = 9,950.80 : x
  2. Step 2: Convert to fraction form
    14,558.80/21,838.20 = 9,950.80/x
  3. Step 3: Cross multiply
    14,558.80x = 21,838.20 × 9,950.80
  4. Step 4: Simplify right side
    14,558.80x = 217,307,560.56
  5. Step 5: Solve for x
    x = 217,307,560.56/14,558.80
  6. Step 6: Final answer
    x = 14,926.20

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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.