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Finding the Fourth Proportional to 65,206.80, 97,810.20 and 33,616.80

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Solution

The fourth proportional to 65,206.80, 97,810.20 and 33,616.80 is: 50,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206.80 : 97,810.20 = 33,616.80 : x
  2. Step 2: Convert to fraction form
    65,206.80/97,810.20 = 33,616.80/x
  3. Step 3: Cross multiply
    65,206.80x = 97,810.20 × 33,616.80
  4. Step 4: Simplify right side
    65,206.80x = 3,288,065,931.36
  5. Step 5: Solve for x
    x = 3,288,065,931.36/65,206.80
  6. Step 6: Final answer
    x = 50,425.20

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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.