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Finding the Fourth Proportional to 7,302.89, 10,959.20 and 2,685.89

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Solution

The fourth proportional to 7,302.89, 10,959.20 and 2,685.89 is: 4,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.89 : 10,959.20 = 2,685.89 : x
  2. Step 2: Convert to fraction form
    7,302.89/10,959.20 = 2,685.89/x
  3. Step 3: Cross multiply
    7,302.89x = 10,959.20 × 2,685.89
  4. Step 4: Simplify right side
    7,302.89x = 29,435,137.46
  5. Step 5: Solve for x
    x = 29,435,137.46/7,302.89
  6. Step 6: Final answer
    x = 4,030.62

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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.