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Finding the Fourth Proportional to 67,946.88, 93,777.92 and 39,652.56

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Solution

The fourth proportional to 67,946.88, 93,777.92 and 39,652.56 is: 54,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,946.88 : 93,777.92 = 39,652.56 : x
  2. Step 2: Convert to fraction form
    67,946.88/93,777.92 = 39,652.56/x
  3. Step 3: Cross multiply
    67,946.88x = 93,777.92 × 39,652.56
  4. Step 4: Simplify right side
    67,946.88x = 3,718,534,599.48
  5. Step 5: Solve for x
    x = 3,718,534,599.48/67,946.88
  6. Step 6: Final answer
    x = 54,727.08

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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.