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Finding the Fourth Proportional to 6,520.99, 9,006.35 and 6,004.32

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Solution

The fourth proportional to 6,520.99, 9,006.35 and 6,004.32 is: 8,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.99 : 9,006.35 = 6,004.32 : x
  2. Step 2: Convert to fraction form
    6,520.99/9,006.35 = 6,004.32/x
  3. Step 3: Cross multiply
    6,520.99x = 9,006.35 × 6,004.32
  4. Step 4: Simplify right side
    6,520.99x = 54,077,007.43
  5. Step 5: Solve for x
    x = 54,077,007.43/6,520.99
  6. Step 6: Final answer
    x = 8,292.76

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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.