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Finding the Fourth Proportional to 5,672,501.69, 8,508,747.67 and 2,078,549.91

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Solution

The fourth proportional to 5,672,501.69, 8,508,747.67 and 2,078,549.91 is: 3,117,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672,501.69 : 8,508,747.67 = 2,078,549.91 : x
  2. Step 2: Convert to fraction form
    5,672,501.69/8,508,747.67 = 2,078,549.91/x
  3. Step 3: Cross multiply
    5,672,501.69x = 8,508,747.67 × 2,078,549.91
  4. Step 4: Simplify right side
    5,672,501.69x = 17,685,856,698,494.84
  5. Step 5: Solve for x
    x = 17,685,856,698,494.84/5,672,501.69
  6. Step 6: Final answer
    x = 3,117,823.08

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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.