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Finding the Fourth Proportional to 7,304.80, 10,959.90 and 7,034.80

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Solution

The fourth proportional to 7,304.80, 10,959.90 and 7,034.80 is: 10,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.80 : 10,959.90 = 7,034.80 : x
  2. Step 2: Convert to fraction form
    7,304.80/10,959.90 = 7,034.80/x
  3. Step 3: Cross multiply
    7,304.80x = 10,959.90 × 7,034.80
  4. Step 4: Simplify right side
    7,304.80x = 77,100,704.52
  5. Step 5: Solve for x
    x = 77,100,704.52/7,304.80
  6. Step 6: Final answer
    x = 10,554.80

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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.