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Finding the Fourth Proportional to 28,801.66, 39,741.44 and 16,052.04

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Solution

The fourth proportional to 28,801.66, 39,741.44 and 16,052.04 is: 22,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.66 : 39,741.44 = 16,052.04 : x
  2. Step 2: Convert to fraction form
    28,801.66/39,741.44 = 16,052.04/x
  3. Step 3: Cross multiply
    28,801.66x = 39,741.44 × 16,052.04
  4. Step 4: Simplify right side
    28,801.66x = 637,931,184.54
  5. Step 5: Solve for x
    x = 637,931,184.54/28,801.66
  6. Step 6: Final answer
    x = 22,149.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.