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Finding the Fourth Proportional to 34,658.80, 51,988.20 and 14,959.60

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Solution

The fourth proportional to 34,658.80, 51,988.20 and 14,959.60 is: 22,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.80 : 51,988.20 = 14,959.60 : x
  2. Step 2: Convert to fraction form
    34,658.80/51,988.20 = 14,959.60/x
  3. Step 3: Cross multiply
    34,658.80x = 51,988.20 × 14,959.60
  4. Step 4: Simplify right side
    34,658.80x = 777,722,676.72
  5. Step 5: Solve for x
    x = 777,722,676.72/34,658.80
  6. Step 6: Final answer
    x = 22,439.40

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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.