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Finding the Fourth Proportional to 29,419.74, 44,128.58 and 9,428.94

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Solution

The fourth proportional to 29,419.74, 44,128.58 and 9,428.94 is: 14,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.74 : 44,128.58 = 9,428.94 : x
  2. Step 2: Convert to fraction form
    29,419.74/44,128.58 = 9,428.94/x
  3. Step 3: Cross multiply
    29,419.74x = 44,128.58 × 9,428.94
  4. Step 4: Simplify right side
    29,419.74x = 416,085,701.52
  5. Step 5: Solve for x
    x = 416,085,701.52/29,419.74
  6. Step 6: Final answer
    x = 14,143.08

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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.