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Finding the Fourth Proportional to 61,388.62, 92,093.40 and 19,260.58

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Solution

The fourth proportional to 61,388.62, 92,093.40 and 19,260.58 is: 28,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,388.62 : 92,093.40 = 19,260.58 : x
  2. Step 2: Convert to fraction form
    61,388.62/92,093.40 = 19,260.58/x
  3. Step 3: Cross multiply
    61,388.62x = 92,093.40 × 19,260.58
  4. Step 4: Simplify right side
    61,388.62x = 1,773,772,298.17
  5. Step 5: Solve for x
    x = 1,773,772,298.17/61,388.62
  6. Step 6: Final answer
    x = 28,894.15

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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.