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Finding the Fourth Proportional to 10,000.56, 14,992.76 and 4,161.56

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Solution

The fourth proportional to 10,000.56, 14,992.76 and 4,161.56 is: 6,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.56 : 14,992.76 = 4,161.56 : x
  2. Step 2: Convert to fraction form
    10,000.56/14,992.76 = 4,161.56/x
  3. Step 3: Cross multiply
    10,000.56x = 14,992.76 × 4,161.56
  4. Step 4: Simplify right side
    10,000.56x = 62,393,270.31
  5. Step 5: Solve for x
    x = 62,393,270.31/10,000.56
  6. Step 6: Final answer
    x = 6,238.98

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1.5x scale

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.