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Finding the Fourth Proportional to 67,037.40, 100,612.80 and 27,622.80

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Solution

The fourth proportional to 67,037.40, 100,612.80 and 27,622.80 is: 41,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037.40 : 100,612.80 = 27,622.80 : x
  2. Step 2: Convert to fraction form
    67,037.40/100,612.80 = 27,622.80/x
  3. Step 3: Cross multiply
    67,037.40x = 100,612.80 × 27,622.80
  4. Step 4: Simplify right side
    67,037.40x = 2,779,207,251.84
  5. Step 5: Solve for x
    x = 2,779,207,251.84/67,037.40
  6. Step 6: Final answer
    x = 41,457.56

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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.