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Finding the Fourth Proportional to 8,697.63, 13,036.39 and 4,007.83

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Solution

The fourth proportional to 8,697.63, 13,036.39 and 4,007.83 is: 6,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.63 : 13,036.39 = 4,007.83 : x
  2. Step 2: Convert to fraction form
    8,697.63/13,036.39 = 4,007.83/x
  3. Step 3: Cross multiply
    8,697.63x = 13,036.39 × 4,007.83
  4. Step 4: Simplify right side
    8,697.63x = 52,247,634.93
  5. Step 5: Solve for x
    x = 52,247,634.93/8,697.63
  6. Step 6: Final answer
    x = 6,007.11

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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.