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Finding the Fourth Proportional to 10,666.03, 14,719.13 and 5,950.21

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Solution

The fourth proportional to 10,666.03, 14,719.13 and 5,950.21 is: 8,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.03 : 14,719.13 = 5,950.21 : x
  2. Step 2: Convert to fraction form
    10,666.03/14,719.13 = 5,950.21/x
  3. Step 3: Cross multiply
    10,666.03x = 14,719.13 × 5,950.21
  4. Step 4: Simplify right side
    10,666.03x = 87,581,884.77
  5. Step 5: Solve for x
    x = 87,581,884.77/10,666.03
  6. Step 6: Final answer
    x = 8,211.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.