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Finding the Fourth Proportional to 10,996,953.85, 16,497,803.67 and 3,319,961.77

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Solution

The fourth proportional to 10,996,953.85, 16,497,803.67 and 3,319,961.77 is: 4,980,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996,953.85 : 16,497,803.67 = 3,319,961.77 : x
  2. Step 2: Convert to fraction form
    10,996,953.85/16,497,803.67 = 3,319,961.77/x
  3. Step 3: Cross multiply
    10,996,953.85x = 16,497,803.67 × 3,319,961.77
  4. Step 4: Simplify right side
    10,996,953.85x = 54,772,077,473,365.70
  5. Step 5: Solve for x
    x = 54,772,077,473,365.70/10,996,953.85
  6. Step 6: Final answer
    x = 4,980,659.03

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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.