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Finding the Fourth Proportional to 61,471.80, 92,186.10 and 22,030.20

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Solution

The fourth proportional to 61,471.80, 92,186.10 and 22,030.20 is: 33,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,471.80 : 92,186.10 = 22,030.20 : x
  2. Step 2: Convert to fraction form
    61,471.80/92,186.10 = 22,030.20/x
  3. Step 3: Cross multiply
    61,471.80x = 92,186.10 × 22,030.20
  4. Step 4: Simplify right side
    61,471.80x = 2,030,878,220.22
  5. Step 5: Solve for x
    x = 2,030,878,220.22/61,471.80
  6. Step 6: Final answer
    x = 33,037.56

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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.