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Finding the Fourth Proportional to 8,968,356.72, 12,376,593.72 and 4,894,238.16

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Solution

The fourth proportional to 8,968,356.72, 12,376,593.72 and 4,894,238.16 is: 6,754,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,356.72 : 12,376,593.72 = 4,894,238.16 : x
  2. Step 2: Convert to fraction form
    8,968,356.72/12,376,593.72 = 4,894,238.16/x
  3. Step 3: Cross multiply
    8,968,356.72x = 12,376,593.72 × 4,894,238.16
  4. Step 4: Simplify right side
    8,968,356.72x = 60,573,997,275,240.36
  5. Step 5: Solve for x
    x = 60,573,997,275,240.36/8,968,356.72
  6. Step 6: Final answer
    x = 6,754,191.34

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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.