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Finding the Fourth Proportional to 14,481,804.20, 21,736,703.10 and 7,301,445.80

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Solution

The fourth proportional to 14,481,804.20, 21,736,703.10 and 7,301,445.80 is: 10,959,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481,804.20 : 21,736,703.10 = 7,301,445.80 : x
  2. Step 2: Convert to fraction form
    14,481,804.20/21,736,703.10 = 7,301,445.80/x
  3. Step 3: Cross multiply
    14,481,804.20x = 21,736,703.10 × 7,301,445.80
  4. Step 4: Simplify right side
    14,481,804.20x = 158,709,359,555,342
  5. Step 5: Solve for x
    x = 158,709,359,555,342/14,481,804.20
  6. Step 6: Final answer
    x = 10,959,225.62

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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.