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Finding the Fourth Proportional to 52,675.47, 72,694.85 and 28,801.89

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Solution

The fourth proportional to 52,675.47, 72,694.85 and 28,801.89 is: 39,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,675.47 : 72,694.85 = 28,801.89 : x
  2. Step 2: Convert to fraction form
    52,675.47/72,694.85 = 28,801.89/x
  3. Step 3: Cross multiply
    52,675.47x = 72,694.85 × 28,801.89
  4. Step 4: Simplify right side
    52,675.47x = 2,093,748,929.26
  5. Step 5: Solve for x
    x = 2,093,748,929.26/52,675.47
  6. Step 6: Final answer
    x = 39,748.08

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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.