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Finding the Fourth Proportional to 17,612,068.80, 26,442,986.40 and 10,893,604.80

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Solution

The fourth proportional to 17,612,068.80, 26,442,986.40 and 10,893,604.80 is: 16,355,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612,068.80 : 26,442,986.40 = 10,893,604.80 : x
  2. Step 2: Convert to fraction form
    17,612,068.80/26,442,986.40 = 10,893,604.80/x
  3. Step 3: Cross multiply
    17,612,068.80x = 26,442,986.40 × 10,893,604.80
  4. Step 4: Simplify right side
    17,612,068.80x = 288,059,443,573,374.75
  5. Step 5: Solve for x
    x = 288,059,443,573,374.75/17,612,068.80
  6. Step 6: Final answer
    x = 16,355,798.22

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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.