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Finding the Fourth Proportional to 41,643.86, 62,465.81 and 10,479.11

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Solution

The fourth proportional to 41,643.86, 62,465.81 and 10,479.11 is: 15,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,643.86 : 62,465.81 = 10,479.11 : x
  2. Step 2: Convert to fraction form
    41,643.86/62,465.81 = 10,479.11/x
  3. Step 3: Cross multiply
    41,643.86x = 62,465.81 × 10,479.11
  4. Step 4: Simplify right side
    41,643.86x = 654,586,094.23
  5. Step 5: Solve for x
    x = 654,586,094.23/41,643.86
  6. Step 6: Final answer
    x = 15,718.67

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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.