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Finding the Fourth Proportional to 43,446.60, 61,000.20 and 43,446.60

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Solution

The fourth proportional to 43,446.60, 61,000.20 and 43,446.60 is: 61,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,446.60 : 61,000.20 = 43,446.60 : x
  2. Step 2: Convert to fraction form
    43,446.60/61,000.20 = 43,446.60/x
  3. Step 3: Cross multiply
    43,446.60x = 61,000.20 × 43,446.60
  4. Step 4: Simplify right side
    43,446.60x = 2,650,251,289.32
  5. Step 5: Solve for x
    x = 2,650,251,289.32/43,446.60
  6. Step 6: Final answer
    x = 61,000.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.