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Finding the Fourth Proportional to 10,737,987.64, 16,107,014.88 and 2,650,964.12

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Solution

The fourth proportional to 10,737,987.64, 16,107,014.88 and 2,650,964.12 is: 3,976,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,737,987.64 : 16,107,014.88 = 2,650,964.12 : x
  2. Step 2: Convert to fraction form
    10,737,987.64/16,107,014.88 = 2,650,964.12/x
  3. Step 3: Cross multiply
    10,737,987.64x = 16,107,014.88 × 2,650,964.12
  4. Step 4: Simplify right side
    10,737,987.64x = 42,699,118,527,186.11
  5. Step 5: Solve for x
    x = 42,699,118,527,186.11/10,737,987.64
  6. Step 6: Final answer
    x = 3,976,454.43

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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.