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Finding the Fourth Proportional to 44,601.70, 66,809.40 and 20,929.45

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Solution

The fourth proportional to 44,601.70, 66,809.40 and 20,929.45 is: 31,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,601.70 : 66,809.40 = 20,929.45 : x
  2. Step 2: Convert to fraction form
    44,601.70/66,809.40 = 20,929.45/x
  3. Step 3: Cross multiply
    44,601.70x = 66,809.40 × 20,929.45
  4. Step 4: Simplify right side
    44,601.70x = 1,398,283,996.83
  5. Step 5: Solve for x
    x = 1,398,283,996.83/44,601.70
  6. Step 6: Final answer
    x = 31,350.46

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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.