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Finding the Fourth Proportional to 6,626.52, 9,138.54 and 5,925.86

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Solution

The fourth proportional to 6,626.52, 9,138.54 and 5,925.86 is: 8,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.52 : 9,138.54 = 5,925.86 : x
  2. Step 2: Convert to fraction form
    6,626.52/9,138.54 = 5,925.86/x
  3. Step 3: Cross multiply
    6,626.52x = 9,138.54 × 5,925.86
  4. Step 4: Simplify right side
    6,626.52x = 54,153,708.64
  5. Step 5: Solve for x
    x = 54,153,708.64/6,626.52
  6. Step 6: Final answer
    x = 8,172.27

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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.