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Finding the Fourth Proportional to 60,818.79, 83,906.10 and 35,320.80

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Solution

The fourth proportional to 60,818.79, 83,906.10 and 35,320.80 is: 48,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,818.79 : 83,906.10 = 35,320.80 : x
  2. Step 2: Convert to fraction form
    60,818.79/83,906.10 = 35,320.80/x
  3. Step 3: Cross multiply
    60,818.79x = 83,906.10 × 35,320.80
  4. Step 4: Simplify right side
    60,818.79x = 2,963,630,576.88
  5. Step 5: Solve for x
    x = 2,963,630,576.88/60,818.79
  6. Step 6: Final answer
    x = 48,728.86

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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.