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Finding the Fourth Proportional to 44,988, 67,486.90 and 27,569.76

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Solution

The fourth proportional to 44,988, 67,486.90 and 27,569.76 is: 41,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,988 : 67,486.90 = 27,569.76 : x
  2. Step 2: Convert to fraction form
    44,988/67,486.90 = 27,569.76/x
  3. Step 3: Cross multiply
    44,988x = 67,486.90 × 27,569.76
  4. Step 4: Simplify right side
    44,988x = 1,860,597,636.14
  5. Step 5: Solve for x
    x = 1,860,597,636.14/44,988
  6. Step 6: Final answer
    x = 41,357.64

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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.