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Finding the Fourth Proportional to 61,712.80, 92,550 and 22,264.80

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Solution

The fourth proportional to 61,712.80, 92,550 and 22,264.80 is: 33,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712.80 : 92,550 = 22,264.80 : x
  2. Step 2: Convert to fraction form
    61,712.80/92,550 = 22,264.80/x
  3. Step 3: Cross multiply
    61,712.80x = 92,550 × 22,264.80
  4. Step 4: Simplify right side
    61,712.80x = 2,060,607,240
  5. Step 5: Solve for x
    x = 2,060,607,240/61,712.80
  6. Step 6: Final answer
    x = 33,390.27

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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.