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Finding the Fourth Proportional to 10,692,144.40, 16,006,723.80 and 10,069,286.80

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Solution

The fourth proportional to 10,692,144.40, 16,006,723.80 and 10,069,286.80 is: 15,074,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,144.40 : 16,006,723.80 = 10,069,286.80 : x
  2. Step 2: Convert to fraction form
    10,692,144.40/16,006,723.80 = 10,069,286.80/x
  3. Step 3: Cross multiply
    10,692,144.40x = 16,006,723.80 × 10,069,286.80
  4. Step 4: Simplify right side
    10,692,144.40x = 161,176,292,670,585.88
  5. Step 5: Solve for x
    x = 161,176,292,670,585.88/10,692,144.40
  6. Step 6: Final answer
    x = 15,074,271.97

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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.