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Finding the Fourth Proportional to 61,799.84, 92,727.32 and 28,502

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Solution

The fourth proportional to 61,799.84, 92,727.32 and 28,502 is: 42,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,799.84 : 92,727.32 = 28,502 : x
  2. Step 2: Convert to fraction form
    61,799.84/92,727.32 = 28,502/x
  3. Step 3: Cross multiply
    61,799.84x = 92,727.32 × 28,502
  4. Step 4: Simplify right side
    61,799.84x = 2,642,914,074.64
  5. Step 5: Solve for x
    x = 2,642,914,074.64/61,799.84
  6. Step 6: Final answer
    x = 42,765.71

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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.