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Finding the Fourth Proportional to 7,234,765.14, 9,983,609.25 and 4,294,707.91

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Solution

The fourth proportional to 7,234,765.14, 9,983,609.25 and 4,294,707.91 is: 5,926,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234,765.14 : 9,983,609.25 = 4,294,707.91 : x
  2. Step 2: Convert to fraction form
    7,234,765.14/9,983,609.25 = 4,294,707.91/x
  3. Step 3: Cross multiply
    7,234,765.14x = 9,983,609.25 × 4,294,707.91
  4. Step 4: Simplify right side
    7,234,765.14x = 42,876,685,599,417.72
  5. Step 5: Solve for x
    x = 42,876,685,599,417.72/7,234,765.14
  6. Step 6: Final answer
    x = 5,926,479.26

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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.