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Finding the Fourth Proportional to 44,362.60, 66,446.70 and 39,437.80

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Solution

The fourth proportional to 44,362.60, 66,446.70 and 39,437.80 is: 59,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,362.60 : 66,446.70 = 39,437.80 : x
  2. Step 2: Convert to fraction form
    44,362.60/66,446.70 = 39,437.80/x
  3. Step 3: Cross multiply
    44,362.60x = 66,446.70 × 39,437.80
  4. Step 4: Simplify right side
    44,362.60x = 2,620,511,665.26
  5. Step 5: Solve for x
    x = 2,620,511,665.26/44,362.60
  6. Step 6: Final answer
    x = 59,070.29

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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.