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Finding the Fourth Proportional to 8,483,935.92, 12,725,904 and 6,984,878.64

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Solution

The fourth proportional to 8,483,935.92, 12,725,904 and 6,984,878.64 is: 10,477,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483,935.92 : 12,725,904 = 6,984,878.64 : x
  2. Step 2: Convert to fraction form
    8,483,935.92/12,725,904 = 6,984,878.64/x
  3. Step 3: Cross multiply
    8,483,935.92x = 12,725,904 × 6,984,878.64
  4. Step 4: Simplify right side
    8,483,935.92x = 88,888,895,024,290.56
  5. Step 5: Solve for x
    x = 88,888,895,024,290.56/8,483,935.92
  6. Step 6: Final answer
    x = 10,477,318.06

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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.