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Finding the Fourth Proportional to 8,723,797.72, 12,039,051.84 and 4,856,580.28

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Solution

The fourth proportional to 8,723,797.72, 12,039,051.84 and 4,856,580.28 is: 6,702,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723,797.72 : 12,039,051.84 = 4,856,580.28 : x
  2. Step 2: Convert to fraction form
    8,723,797.72/12,039,051.84 = 4,856,580.28/x
  3. Step 3: Cross multiply
    8,723,797.72x = 12,039,051.84 × 4,856,580.28
  4. Step 4: Simplify right side
    8,723,797.72x = 58,468,621,756,041.72
  5. Step 5: Solve for x
    x = 58,468,621,756,041.72/8,723,797.72
  6. Step 6: Final answer
    x = 6,702,198.24

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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.