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Finding the Fourth Proportional to 61,740.40, 92,632.20 and 26,705.20

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Solution

The fourth proportional to 61,740.40, 92,632.20 and 26,705.20 is: 40,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,740.40 : 92,632.20 = 26,705.20 : x
  2. Step 2: Convert to fraction form
    61,740.40/92,632.20 = 26,705.20/x
  3. Step 3: Cross multiply
    61,740.40x = 92,632.20 × 26,705.20
  4. Step 4: Simplify right side
    61,740.40x = 2,473,761,427.44
  5. Step 5: Solve for x
    x = 2,473,761,427.44/61,740.40
  6. Step 6: Final answer
    x = 40,067.14

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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.