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Finding the Fourth Proportional to 34,402.88, 51,604.80 and 9,778.88

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Solution

The fourth proportional to 34,402.88, 51,604.80 and 9,778.88 is: 14,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,402.88 : 51,604.80 = 9,778.88 : x
  2. Step 2: Convert to fraction form
    34,402.88/51,604.80 = 9,778.88/x
  3. Step 3: Cross multiply
    34,402.88x = 51,604.80 × 9,778.88
  4. Step 4: Simplify right side
    34,402.88x = 504,637,146.62
  5. Step 5: Solve for x
    x = 504,637,146.62/34,402.88
  6. Step 6: Final answer
    x = 14,668.46

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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.