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Finding the Fourth Proportional to 14,581,684.80, 21,830,536.80 and 14,161,780.80

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Solution

The fourth proportional to 14,581,684.80, 21,830,536.80 and 14,161,780.80 is: 21,201,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581,684.80 : 21,830,536.80 = 14,161,780.80 : x
  2. Step 2: Convert to fraction form
    14,581,684.80/21,830,536.80 = 14,161,780.80/x
  3. Step 3: Cross multiply
    14,581,684.80x = 21,830,536.80 × 14,161,780.80
  4. Step 4: Simplify right side
    14,581,684.80x = 309,159,276,907,933.44
  5. Step 5: Solve for x
    x = 309,159,276,907,933.44/14,581,684.80
  6. Step 6: Final answer
    x = 21,201,889.98

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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.