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Finding the Fourth Proportional to 57,410.40, 86,042.70 and 31,093.50

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Solution

The fourth proportional to 57,410.40, 86,042.70 and 31,093.50 is: 46,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,410.40 : 86,042.70 = 31,093.50 : x
  2. Step 2: Convert to fraction form
    57,410.40/86,042.70 = 31,093.50/x
  3. Step 3: Cross multiply
    57,410.40x = 86,042.70 × 31,093.50
  4. Step 4: Simplify right side
    57,410.40x = 2,675,368,692.45
  5. Step 5: Solve for x
    x = 2,675,368,692.45/57,410.40
  6. Step 6: Final answer
    x = 46,600.77

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1.5x scale

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.