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Finding the Fourth Proportional to 10,368,885.10, 15,553,327.65 and 9,739,029.10

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Solution

The fourth proportional to 10,368,885.10, 15,553,327.65 and 9,739,029.10 is: 14,608,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,885.10 : 15,553,327.65 = 9,739,029.10 : x
  2. Step 2: Convert to fraction form
    10,368,885.10/15,553,327.65 = 9,739,029.10/x
  3. Step 3: Cross multiply
    10,368,885.10x = 15,553,327.65 × 9,739,029.10
  4. Step 4: Simplify right side
    10,368,885.10x = 151,474,310,585,184.62
  5. Step 5: Solve for x
    x = 151,474,310,585,184.62/10,368,885.10
  6. Step 6: Final answer
    x = 14,608,543.65

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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.