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Finding the Fourth Proportional to 34,228.80, 51,343.20 and 9,604.80

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Solution

The fourth proportional to 34,228.80, 51,343.20 and 9,604.80 is: 14,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,228.80 : 51,343.20 = 9,604.80 : x
  2. Step 2: Convert to fraction form
    34,228.80/51,343.20 = 9,604.80/x
  3. Step 3: Cross multiply
    34,228.80x = 51,343.20 × 9,604.80
  4. Step 4: Simplify right side
    34,228.80x = 493,141,167.36
  5. Step 5: Solve for x
    x = 493,141,167.36/34,228.80
  6. Step 6: Final answer
    x = 14,407.20

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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.