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Finding the Fourth Proportional to 16,642,700.80, 24,964,051.20 and 13,283,468.80

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Solution

The fourth proportional to 16,642,700.80, 24,964,051.20 and 13,283,468.80 is: 19,925,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,700.80 : 24,964,051.20 = 13,283,468.80 : x
  2. Step 2: Convert to fraction form
    16,642,700.80/24,964,051.20 = 13,283,468.80/x
  3. Step 3: Cross multiply
    16,642,700.80x = 24,964,051.20 × 13,283,468.80
  4. Step 4: Simplify right side
    16,642,700.80x = 331,609,195,236,802.56
  5. Step 5: Solve for x
    x = 331,609,195,236,802.56/16,642,700.80
  6. Step 6: Final answer
    x = 19,925,203.20

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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.