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Finding the Fourth Proportional to 39,461.52, 59,220.90 and 15,755.52

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Solution

The fourth proportional to 39,461.52, 59,220.90 and 15,755.52 is: 23,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.52 : 59,220.90 = 15,755.52 : x
  2. Step 2: Convert to fraction form
    39,461.52/59,220.90 = 15,755.52/x
  3. Step 3: Cross multiply
    39,461.52x = 59,220.90 × 15,755.52
  4. Step 4: Simplify right side
    39,461.52x = 933,056,074.37
  5. Step 5: Solve for x
    x = 933,056,074.37/39,461.52
  6. Step 6: Final answer
    x = 23,644.71

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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.