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Finding the Fourth Proportional to 29,368.81, 44,057.81 and 9,642.88

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Solution

The fourth proportional to 29,368.81, 44,057.81 and 9,642.88 is: 14,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.81 : 44,057.81 = 9,642.88 : x
  2. Step 2: Convert to fraction form
    29,368.81/44,057.81 = 9,642.88/x
  3. Step 3: Cross multiply
    29,368.81x = 44,057.81 × 9,642.88
  4. Step 4: Simplify right side
    29,368.81x = 424,844,174.89
  5. Step 5: Solve for x
    x = 424,844,174.89/29,368.81
  6. Step 6: Final answer
    x = 14,465.83

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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.