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Finding the Fourth Proportional to 4,953,478.62, 6,829,472.16 and 3,208,063.89

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Solution

The fourth proportional to 4,953,478.62, 6,829,472.16 and 3,208,063.89 is: 4,423,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953,478.62 : 6,829,472.16 = 3,208,063.89 : x
  2. Step 2: Convert to fraction form
    4,953,478.62/6,829,472.16 = 3,208,063.89/x
  3. Step 3: Cross multiply
    4,953,478.62x = 6,829,472.16 × 3,208,063.89
  4. Step 4: Simplify right side
    4,953,478.62x = 21,909,383,024,256.30
  5. Step 5: Solve for x
    x = 21,909,383,024,256.30/4,953,478.62
  6. Step 6: Final answer
    x = 4,423,029.69

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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.