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Finding the Fourth Proportional to 6,321,653.48, 8,723,908.38 and 3,421,044.48

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Solution

The fourth proportional to 6,321,653.48, 8,723,908.38 and 3,421,044.48 is: 4,721,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,653.48 : 8,723,908.38 = 3,421,044.48 : x
  2. Step 2: Convert to fraction form
    6,321,653.48/8,723,908.38 = 3,421,044.48/x
  3. Step 3: Cross multiply
    6,321,653.48x = 8,723,908.38 × 3,421,044.48
  4. Step 4: Simplify right side
    6,321,653.48x = 29,844,878,607,424.75
  5. Step 5: Solve for x
    x = 29,844,878,607,424.75/6,321,653.48
  6. Step 6: Final answer
    x = 4,721,055.77

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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.