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Finding the Fourth Proportional to 4,691,668.70, 7,029,208.65 and 4,160,827.10

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Solution

The fourth proportional to 4,691,668.70, 7,029,208.65 and 4,160,827.10 is: 6,233,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691,668.70 : 7,029,208.65 = 4,160,827.10 : x
  2. Step 2: Convert to fraction form
    4,691,668.70/7,029,208.65 = 4,160,827.10/x
  3. Step 3: Cross multiply
    4,691,668.70x = 7,029,208.65 × 4,160,827.10
  4. Step 4: Simplify right side
    4,691,668.70x = 29,247,321,842,474.42
  5. Step 5: Solve for x
    x = 29,247,321,842,474.42/4,691,668.70
  6. Step 6: Final answer
    x = 6,233,884.72

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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.