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Finding the Fourth Proportional to 10,665.70, 14,718.63 and 5,950.12

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Solution

The fourth proportional to 10,665.70, 14,718.63 and 5,950.12 is: 8,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.70 : 14,718.63 = 5,950.12 : x
  2. Step 2: Convert to fraction form
    10,665.70/14,718.63 = 5,950.12/x
  3. Step 3: Cross multiply
    10,665.70x = 14,718.63 × 5,950.12
  4. Step 4: Simplify right side
    10,665.70x = 87,577,614.74
  5. Step 5: Solve for x
    x = 87,577,614.74/10,665.70
  6. Step 6: Final answer
    x = 8,211.15

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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.