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Finding the Fourth Proportional to 43,616.88, 65,373.48 and 25,822.80

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Solution

The fourth proportional to 43,616.88, 65,373.48 and 25,822.80 is: 38,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,616.88 : 65,373.48 = 25,822.80 : x
  2. Step 2: Convert to fraction form
    43,616.88/65,373.48 = 25,822.80/x
  3. Step 3: Cross multiply
    43,616.88x = 65,373.48 × 25,822.80
  4. Step 4: Simplify right side
    43,616.88x = 1,688,126,299.34
  5. Step 5: Solve for x
    x = 1,688,126,299.34/43,616.88
  6. Step 6: Final answer
    x = 38,703.51

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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.