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Finding the Fourth Proportional to 16,827,806.70, 25,241,710.05 and 10,445,265.90

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Solution

The fourth proportional to 16,827,806.70, 25,241,710.05 and 10,445,265.90 is: 15,667,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827,806.70 : 25,241,710.05 = 10,445,265.90 : x
  2. Step 2: Convert to fraction form
    16,827,806.70/25,241,710.05 = 10,445,265.90/x
  3. Step 3: Cross multiply
    16,827,806.70x = 25,241,710.05 × 10,445,265.90
  4. Step 4: Simplify right side
    16,827,806.70x = 263,656,373,242,952.31
  5. Step 5: Solve for x
    x = 263,656,373,242,952.31/16,827,806.70
  6. Step 6: Final answer
    x = 15,667,898.85

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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.