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Finding the Fourth Proportional to 7,046,633.86, 9,724,189.32 and 4,146,212.58

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Solution

The fourth proportional to 7,046,633.86, 9,724,189.32 and 4,146,212.58 is: 5,721,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046,633.86 : 9,724,189.32 = 4,146,212.58 : x
  2. Step 2: Convert to fraction form
    7,046,633.86/9,724,189.32 = 4,146,212.58/x
  3. Step 3: Cross multiply
    7,046,633.86x = 9,724,189.32 × 4,146,212.58
  4. Step 4: Simplify right side
    7,046,633.86x = 40,318,556,088,885.65
  5. Step 5: Solve for x
    x = 40,318,556,088,885.65/7,046,633.86
  6. Step 6: Final answer
    x = 5,721,676.04

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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.