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Finding the Fourth Proportional to 7,007.91, 10,509.76 and 2,326.92

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Solution

The fourth proportional to 7,007.91, 10,509.76 and 2,326.92 is: 3,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.91 : 10,509.76 = 2,326.92 : x
  2. Step 2: Convert to fraction form
    7,007.91/10,509.76 = 2,326.92/x
  3. Step 3: Cross multiply
    7,007.91x = 10,509.76 × 2,326.92
  4. Step 4: Simplify right side
    7,007.91x = 24,455,370.74
  5. Step 5: Solve for x
    x = 24,455,370.74/7,007.91
  6. Step 6: Final answer
    x = 3,489.68

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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.