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Finding the Fourth Proportional to 7,764,668.72, 10,714,363.56 and 4,500,808.96

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Solution

The fourth proportional to 7,764,668.72, 10,714,363.56 and 4,500,808.96 is: 6,210,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,668.72 : 10,714,363.56 = 4,500,808.96 : x
  2. Step 2: Convert to fraction form
    7,764,668.72/10,714,363.56 = 4,500,808.96/x
  3. Step 3: Cross multiply
    7,764,668.72x = 10,714,363.56 × 4,500,808.96
  4. Step 4: Simplify right side
    7,764,668.72x = 48,223,303,511,545.50
  5. Step 5: Solve for x
    x = 48,223,303,511,545.50/7,764,668.72
  6. Step 6: Final answer
    x = 6,210,606.69

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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.