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Finding the Fourth Proportional to 57,612.84, 79,480.98 and 34,943.18

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Solution

The fourth proportional to 57,612.84, 79,480.98 and 34,943.18 is: 48,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,612.84 : 79,480.98 = 34,943.18 : x
  2. Step 2: Convert to fraction form
    57,612.84/79,480.98 = 34,943.18/x
  3. Step 3: Cross multiply
    57,612.84x = 79,480.98 × 34,943.18
  4. Step 4: Simplify right side
    57,612.84x = 2,777,318,190.72
  5. Step 5: Solve for x
    x = 2,777,318,190.72/57,612.84
  6. Step 6: Final answer
    x = 48,206.58

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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.