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Finding the Fourth Proportional to 9,963,911.20, 14,948,491.20 and 3,573,497.20

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Solution

The fourth proportional to 9,963,911.20, 14,948,491.20 and 3,573,497.20 is: 5,361,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963,911.20 : 14,948,491.20 = 3,573,497.20 : x
  2. Step 2: Convert to fraction form
    9,963,911.20/14,948,491.20 = 3,573,497.20/x
  3. Step 3: Cross multiply
    9,963,911.20x = 14,948,491.20 × 3,573,497.20
  4. Step 4: Simplify right side
    9,963,911.20x = 53,418,391,447,424.64
  5. Step 5: Solve for x
    x = 53,418,391,447,424.64/9,963,911.20
  6. Step 6: Final answer
    x = 5,361,187.03

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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.