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Finding the Fourth Proportional to 9,796,461.45, 14,680,736.85 and 7,217,393.91

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Solution

The fourth proportional to 9,796,461.45, 14,680,736.85 and 7,217,393.91 is: 10,815,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,796,461.45 : 14,680,736.85 = 7,217,393.91 : x
  2. Step 2: Convert to fraction form
    9,796,461.45/14,680,736.85 = 7,217,393.91/x
  3. Step 3: Cross multiply
    9,796,461.45x = 14,680,736.85 × 7,217,393.91
  4. Step 4: Simplify right side
    9,796,461.45x = 105,956,660,735,502.58
  5. Step 5: Solve for x
    x = 105,956,660,735,502.58/9,796,461.45
  6. Step 6: Final answer
    x = 10,815,809.49

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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.