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Finding the Fourth Proportional to 61,594.80, 92,392.20 and 20,041.80

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Solution

The fourth proportional to 61,594.80, 92,392.20 and 20,041.80 is: 30,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,594.80 : 92,392.20 = 20,041.80 : x
  2. Step 2: Convert to fraction form
    61,594.80/92,392.20 = 20,041.80/x
  3. Step 3: Cross multiply
    61,594.80x = 92,392.20 × 20,041.80
  4. Step 4: Simplify right side
    61,594.80x = 1,851,705,993.96
  5. Step 5: Solve for x
    x = 1,851,705,993.96/61,594.80
  6. Step 6: Final answer
    x = 30,062.70

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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.