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Finding the Fourth Proportional to 7,307.83, 10,959 and 2,626.57

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Solution

The fourth proportional to 7,307.83, 10,959 and 2,626.57 is: 3,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.83 : 10,959 = 2,626.57 : x
  2. Step 2: Convert to fraction form
    7,307.83/10,959 = 2,626.57/x
  3. Step 3: Cross multiply
    7,307.83x = 10,959 × 2,626.57
  4. Step 4: Simplify right side
    7,307.83x = 28,784,580.63
  5. Step 5: Solve for x
    x = 28,784,580.63/7,307.83
  6. Step 6: Final answer
    x = 3,938.87

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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.