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Finding the Fourth Proportional to 65,471.80, 98,207.70 and 16,223.80

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Solution

The fourth proportional to 65,471.80, 98,207.70 and 16,223.80 is: 24,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,471.80 : 98,207.70 = 16,223.80 : x
  2. Step 2: Convert to fraction form
    65,471.80/98,207.70 = 16,223.80/x
  3. Step 3: Cross multiply
    65,471.80x = 98,207.70 × 16,223.80
  4. Step 4: Simplify right side
    65,471.80x = 1,593,302,083.26
  5. Step 5: Solve for x
    x = 1,593,302,083.26/65,471.80
  6. Step 6: Final answer
    x = 24,335.70

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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.