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Finding the Fourth Proportional to 67,927.44, 101,894.40 and 28,485.84

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Solution

The fourth proportional to 67,927.44, 101,894.40 and 28,485.84 is: 42,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,927.44 : 101,894.40 = 28,485.84 : x
  2. Step 2: Convert to fraction form
    67,927.44/101,894.40 = 28,485.84/x
  3. Step 3: Cross multiply
    67,927.44x = 101,894.40 × 28,485.84
  4. Step 4: Simplify right side
    67,927.44x = 2,902,547,575.30
  5. Step 5: Solve for x
    x = 2,902,547,575.30/67,927.44
  6. Step 6: Final answer
    x = 42,730.12

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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.