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Finding the Fourth Proportional to 7,076.69, 10,600.45 and 4,146.11

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Solution

The fourth proportional to 7,076.69, 10,600.45 and 4,146.11 is: 6,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.69 : 10,600.45 = 4,146.11 : x
  2. Step 2: Convert to fraction form
    7,076.69/10,600.45 = 4,146.11/x
  3. Step 3: Cross multiply
    7,076.69x = 10,600.45 × 4,146.11
  4. Step 4: Simplify right side
    7,076.69x = 43,950,631.75
  5. Step 5: Solve for x
    x = 43,950,631.75/7,076.69
  6. Step 6: Final answer
    x = 6,210.62

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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.