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Finding the Fourth Proportional to 16,984,114.72, 23,437,846.80 and 9,641,886.88

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Solution

The fourth proportional to 16,984,114.72, 23,437,846.80 and 9,641,886.88 is: 13,305,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984,114.72 : 23,437,846.80 = 9,641,886.88 : x
  2. Step 2: Convert to fraction form
    16,984,114.72/23,437,846.80 = 9,641,886.88/x
  3. Step 3: Cross multiply
    16,984,114.72x = 23,437,846.80 × 9,641,886.88
  4. Step 4: Simplify right side
    16,984,114.72x = 225,985,067,556,370
  5. Step 5: Solve for x
    x = 225,985,067,556,370/16,984,114.72
  6. Step 6: Final answer
    x = 13,305,672.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.