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Finding the Fourth Proportional to 67,671, 93,383.64 and 37,457.64

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Solution

The fourth proportional to 67,671, 93,383.64 and 37,457.64 is: 51,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671 : 93,383.64 = 37,457.64 : x
  2. Step 2: Convert to fraction form
    67,671/93,383.64 = 37,457.64/x
  3. Step 3: Cross multiply
    67,671x = 93,383.64 × 37,457.64
  4. Step 4: Simplify right side
    67,671x = 3,497,930,769.01
  5. Step 5: Solve for x
    x = 3,497,930,769.01/67,671
  6. Step 6: Final answer
    x = 51,690.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.