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Finding the Fourth Proportional to 37,411.02, 56,115.90 and 11,115.90

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Solution

The fourth proportional to 37,411.02, 56,115.90 and 11,115.90 is: 16,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,411.02 : 56,115.90 = 11,115.90 : x
  2. Step 2: Convert to fraction form
    37,411.02/56,115.90 = 11,115.90/x
  3. Step 3: Cross multiply
    37,411.02x = 56,115.90 × 11,115.90
  4. Step 4: Simplify right side
    37,411.02x = 623,778,732.81
  5. Step 5: Solve for x
    x = 623,778,732.81/37,411.02
  6. Step 6: Final answer
    x = 16,673.66

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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.