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Finding the Fourth Proportional to 29,358.86, 44,041.80 and 9,639.68

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Solution

The fourth proportional to 29,358.86, 44,041.80 and 9,639.68 is: 14,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,358.86 : 44,041.80 = 9,639.68 : x
  2. Step 2: Convert to fraction form
    29,358.86/44,041.80 = 9,639.68/x
  3. Step 3: Cross multiply
    29,358.86x = 44,041.80 × 9,639.68
  4. Step 4: Simplify right side
    29,358.86x = 424,548,858.62
  5. Step 5: Solve for x
    x = 424,548,858.62/29,358.86
  6. Step 6: Final answer
    x = 14,460.67

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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.