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Finding the Fourth Proportional to 67,884.64, 93,679.28 and 37,669.28

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Solution

The fourth proportional to 67,884.64, 93,679.28 and 37,669.28 is: 51,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,884.64 : 93,679.28 = 37,669.28 : x
  2. Step 2: Convert to fraction form
    67,884.64/93,679.28 = 37,669.28/x
  3. Step 3: Cross multiply
    67,884.64x = 93,679.28 × 37,669.28
  4. Step 4: Simplify right side
    67,884.64x = 3,528,831,028.52
  5. Step 5: Solve for x
    x = 3,528,831,028.52/67,884.64
  6. Step 6: Final answer
    x = 51,982.76

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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.