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Finding the Fourth Proportional to 7,702.70, 10,629.39 and 4,345.58

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Solution

The fourth proportional to 7,702.70, 10,629.39 and 4,345.58 is: 5,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.70 : 10,629.39 = 4,345.58 : x
  2. Step 2: Convert to fraction form
    7,702.70/10,629.39 = 4,345.58/x
  3. Step 3: Cross multiply
    7,702.70x = 10,629.39 × 4,345.58
  4. Step 4: Simplify right side
    7,702.70x = 46,190,864.60
  5. Step 5: Solve for x
    x = 46,190,864.60/7,702.70
  6. Step 6: Final answer
    x = 5,996.71

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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.