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Finding the Fourth Proportional to 35,451.12, 53,200.80 and 14,674.80

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Solution

The fourth proportional to 35,451.12, 53,200.80 and 14,674.80 is: 22,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.12 : 53,200.80 = 14,674.80 : x
  2. Step 2: Convert to fraction form
    35,451.12/53,200.80 = 14,674.80/x
  3. Step 3: Cross multiply
    35,451.12x = 53,200.80 × 14,674.80
  4. Step 4: Simplify right side
    35,451.12x = 780,711,099.84
  5. Step 5: Solve for x
    x = 780,711,099.84/35,451.12
  6. Step 6: Final answer
    x = 22,022.18

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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.