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Finding the Fourth Proportional to 10,937.54, 16,407.94 and 4,011.50

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Solution

The fourth proportional to 10,937.54, 16,407.94 and 4,011.50 is: 6,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.54 : 16,407.94 = 4,011.50 : x
  2. Step 2: Convert to fraction form
    10,937.54/16,407.94 = 4,011.50/x
  3. Step 3: Cross multiply
    10,937.54x = 16,407.94 × 4,011.50
  4. Step 4: Simplify right side
    10,937.54x = 65,820,451.31
  5. Step 5: Solve for x
    x = 65,820,451.31/10,937.54
  6. Step 6: Final answer
    x = 6,017.85

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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.