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Finding the Fourth Proportional to 29,920.93, 44,871.50 and 9,925.81

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Solution

The fourth proportional to 29,920.93, 44,871.50 and 9,925.81 is: 14,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.93 : 44,871.50 = 9,925.81 : x
  2. Step 2: Convert to fraction form
    29,920.93/44,871.50 = 9,925.81/x
  3. Step 3: Cross multiply
    29,920.93x = 44,871.50 × 9,925.81
  4. Step 4: Simplify right side
    29,920.93x = 445,385,896.05
  5. Step 5: Solve for x
    x = 445,385,896.05/29,920.93
  6. Step 6: Final answer
    x = 14,885.43

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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.