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Finding the Fourth Proportional to 7,406.08, 10,223.04 and 6,353.92

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Solution

The fourth proportional to 7,406.08, 10,223.04 and 6,353.92 is: 8,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.08 : 10,223.04 = 6,353.92 : x
  2. Step 2: Convert to fraction form
    7,406.08/10,223.04 = 6,353.92/x
  3. Step 3: Cross multiply
    7,406.08x = 10,223.04 × 6,353.92
  4. Step 4: Simplify right side
    7,406.08x = 64,956,378.32
  5. Step 5: Solve for x
    x = 64,956,378.32/7,406.08
  6. Step 6: Final answer
    x = 8,770.68

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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.