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Finding the Fourth Proportional to 44,485.70, 66,712.35 and 22,291.70

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Solution

The fourth proportional to 44,485.70, 66,712.35 and 22,291.70 is: 33,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,485.70 : 66,712.35 = 22,291.70 : x
  2. Step 2: Convert to fraction form
    44,485.70/66,712.35 = 22,291.70/x
  3. Step 3: Cross multiply
    44,485.70x = 66,712.35 × 22,291.70
  4. Step 4: Simplify right side
    44,485.70x = 1,487,131,692.50
  5. Step 5: Solve for x
    x = 1,487,131,692.50/44,485.70
  6. Step 6: Final answer
    x = 33,429.43

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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.