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Finding the Fourth Proportional to 5,246,836.74, 7,870,536.72 and 1,652,884.92

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Solution

The fourth proportional to 5,246,836.74, 7,870,536.72 and 1,652,884.92 is: 2,479,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246,836.74 : 7,870,536.72 = 1,652,884.92 : x
  2. Step 2: Convert to fraction form
    5,246,836.74/7,870,536.72 = 1,652,884.92/x
  3. Step 3: Cross multiply
    5,246,836.74x = 7,870,536.72 × 1,652,884.92
  4. Step 4: Simplify right side
    5,246,836.74x = 13,009,091,456,794.26
  5. Step 5: Solve for x
    x = 13,009,091,456,794.26/5,246,836.74
  6. Step 6: Final answer
    x = 2,479,416.09

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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.