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Finding the Fourth Proportional to 7,702.62, 10,629.12 and 4,345.73

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Solution

The fourth proportional to 7,702.62, 10,629.12 and 4,345.73 is: 5,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.62 : 10,629.12 = 4,345.73 : x
  2. Step 2: Convert to fraction form
    7,702.62/10,629.12 = 4,345.73/x
  3. Step 3: Cross multiply
    7,702.62x = 10,629.12 × 4,345.73
  4. Step 4: Simplify right side
    7,702.62x = 46,191,258.77
  5. Step 5: Solve for x
    x = 46,191,258.77/7,702.62
  6. Step 6: Final answer
    x = 5,996.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.