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Finding the Fourth Proportional to 8,312,964.60, 12,473,039.16 and 4,470,295.68

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Solution

The fourth proportional to 8,312,964.60, 12,473,039.16 and 4,470,295.68 is: 6,707,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,964.60 : 12,473,039.16 = 4,470,295.68 : x
  2. Step 2: Convert to fraction form
    8,312,964.60/12,473,039.16 = 4,470,295.68/x
  3. Step 3: Cross multiply
    8,312,964.60x = 12,473,039.16 × 4,470,295.68
  4. Step 4: Simplify right side
    8,312,964.60x = 55,758,173,073,418.83
  5. Step 5: Solve for x
    x = 55,758,173,073,418.83/8,312,964.60
  6. Step 6: Final answer
    x = 6,707,375.26

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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.