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Finding the Fourth Proportional to 29,371.40, 44,048.10 and 9,645.40

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Solution

The fourth proportional to 29,371.40, 44,048.10 and 9,645.40 is: 14,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.40 : 44,048.10 = 9,645.40 : x
  2. Step 2: Convert to fraction form
    29,371.40/44,048.10 = 9,645.40/x
  3. Step 3: Cross multiply
    29,371.40x = 44,048.10 × 9,645.40
  4. Step 4: Simplify right side
    29,371.40x = 424,861,543.74
  5. Step 5: Solve for x
    x = 424,861,543.74/29,371.40
  6. Step 6: Final answer
    x = 14,465.14

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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.