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Finding the Fourth Proportional to 55,573.94, 76,692.04 and 30,423.44

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Solution

The fourth proportional to 55,573.94, 76,692.04 and 30,423.44 is: 41,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.94 : 76,692.04 = 30,423.44 : x
  2. Step 2: Convert to fraction form
    55,573.94/76,692.04 = 30,423.44/x
  3. Step 3: Cross multiply
    55,573.94x = 76,692.04 × 30,423.44
  4. Step 4: Simplify right side
    55,573.94x = 2,333,235,677.42
  5. Step 5: Solve for x
    x = 2,333,235,677.42/55,573.94
  6. Step 6: Final answer
    x = 41,984.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.