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Finding the Fourth Proportional to 43,641.03, 65,461.49 and 15,939.03

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Solution

The fourth proportional to 43,641.03, 65,461.49 and 15,939.03 is: 23,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,641.03 : 65,461.49 = 15,939.03 : x
  2. Step 2: Convert to fraction form
    43,641.03/65,461.49 = 15,939.03/x
  3. Step 3: Cross multiply
    43,641.03x = 65,461.49 × 15,939.03
  4. Step 4: Simplify right side
    43,641.03x = 1,043,392,573.26
  5. Step 5: Solve for x
    x = 1,043,392,573.26/43,641.03
  6. Step 6: Final answer
    x = 23,908.52

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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.