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Finding the Fourth Proportional to 65,253.39, 97,894.67 and 20,882.80

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Solution

The fourth proportional to 65,253.39, 97,894.67 and 20,882.80 is: 31,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,253.39 : 97,894.67 = 20,882.80 : x
  2. Step 2: Convert to fraction form
    65,253.39/97,894.67 = 20,882.80/x
  3. Step 3: Cross multiply
    65,253.39x = 97,894.67 × 20,882.80
  4. Step 4: Simplify right side
    65,253.39x = 2,044,314,814.68
  5. Step 5: Solve for x
    x = 2,044,314,814.68/65,253.39
  6. Step 6: Final answer
    x = 31,328.87

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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.